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4. Education in Times of Global Crisis: How Private Actors in Germany Gain Power through Twitter

Author

Schuster, Johannes and Kolleck, Nina

Abstract

The outbreak of the COVID-19 pandemic led to enormous societal changes worldwide and touched many different areas of daily life. One of the most serious restrictions to contain the pandemic was the closure of schools and kindergartens. Particularly in countries with comparatively low levels of digitalization in schools, this situation opened up opportunities for private actors to gain importance and influence in the education sector. For this article, we draw on policy network approaches and network theory to analyze Twitter discussions around digital learning and homeschooling during the period of school closures in Germany due to the COVID-19 crisis. We use social network analysis to identify the actors involved and their influences in the issue-specific Twitter communication network. In recent years, Twitter has been increasingly used for exchanges on education policy content, mainly by political and civil society actors. Our study shows that with respect to digital learning and homeschooling, it was primarily individual experts and consultants as well as corporations which influenced the discourse. In particular, it appears that Twitter is used as a forum to promote corporations' own products and platforms, including by globally operating corporations such as Microsoft and YouTube, while public actors remain barely visible.

Published
2021

5. Zur Beteiligung zwischen- und nichtstaatlicher Akteur*innen an der Steuerung inklusiver Bildung

Author

Schuster, Johannes, Kolleck, Nina, Altrichter, Herbert, Series Editor, Brüsemeister, Thomas, Series Editor, Clement, Ute, Series Editor, Heinrich, Martin, Series Editor, Langer, Roman, Series Editor, Maag Merki, Katharina, Series Editor, Rürup, Matthias, Series Editor, Wissinger, Jochen, Series Editor, Kruschel, Robert, editor, and Merz-Atalik, Kerstin, editor

Published
2023
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9. Teachers' Professional Collaboration and Trust Relationships: An Inferential Social Network Analysis of Teacher Teams

Author

Kolleck, Nina, Schuster, Johannes, Hartmann, Ulrike, and Gräsel, Cornelia

Abstract

In recent years, teachers around the world have been increasingly confronted with various expectations concerning the improvement of their classroom practices and school activities. One factor widely acknowledged to facilitate school and classroom improvement is a strong collaborative culture among teachers. As such, teachers are expected to work in teacher teams, to collaborate closely with colleagues, to co-construct classroom practices, and thus to strengthen trust relationships within the team. A growing number of researchers has analyzed how teachers address these expectations. They suggest that there is a link between teachers' embeddedness in collaboration networks and teachers' trust relationships. The present study seeks to contribute to the research literature by presenting results of Social Network Analyses (SNA) and exponential random graph models (ERGMs) on teacher collaboration in nine secondary schools in Germany (N = 366 teachers). We investigate how the involvement of teachers in co-constructive collaboration in schools, measured by the amount of team teaching (TT), relates to teachers' trust levels. Results of our analyses suggest that a high amount of TT is not necessarily related to a higher degree of trust among teachers at the school level. However, a high involvement of teachers in TT is related positively to their being perceived as trustworthy. Furthermore, the emergence of trust relations in teacher networks depends on general network characteristics, such as homophily, reciprocity and transitivity.

Published
2021
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11. Behind the Scenes

Author

Kolleck, Nina, primary, Jörgens, Helge, additional, Well, Mareike, additional, Saerbeck, Barbara, additional, Goritz, Alexandra, additional, and Schuster, Johannes, additional

Published
2022
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12. The Rise of Global Policy Networks in Education: Analyzing Twitter Debates on Inclusive Education Using Social Network Analysis

Author

Schuster, Johannes, Jörgens, Helge, and Kolleck, Nina

Abstract

With the Convention on the Rights of Persons with Disabilities (CRPD), inclusive education has become the main alternative to special schools for the schooling of children with disabilities. In order to promote the global implementation of inclusive education, a variety of stakeholders form networks to transmit and exchange information and knowledge concerning political strategies. However, little is known about the actors and actor groups involved in these networks. In the present paper, we draw on general network theory and policy network theory to examine the Twitter communication network that has formed around the topic of inclusive education. Using exploratory and inferential social network analysis, we show that disabled persons' organizations and international organizations, such as the United Nations, hold a particularly central position in the network. This position enables them to potentially exert influence on the content and flow of information within the network. Aside from that, business actors are active participants in the network. Moreover, the Twitter network shows some structural patterns that can also be found in policy networks. Our findings help to map the global sphere of inclusive education promotion and can contribute to a broader understanding of global processes in inclusive education policy.

Published
2021
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13. Wissensproduktion, Wissensmobilisierung und Wissenstransfer

Author

Schuster, Johannes, Hugo, Julia, Bremm, Nina, Kolleck, Nina, and Zala-Mezö, Enikö

Subjects
Knowledge transfer, Wissenstransfer, knowledge production, Wissensproduktion, transfer, school improvement, Schulentwicklung, innovation, co-construction, Ko-Konstruktion, knowledge mobilisation, Wissensmobilisierung, Forschung, research, practice, Praxis, Bildungsverwaltung, research-practice-partenerships, educational administration, bic Book Industry Communication::J Society & social sciences::JN Education::JNK Organization & management of education
Abstract

What is the relationship between science and practice? How does research knowledge get into practice? In recent years, there have been increasing calls to examine the relationship between science and practice more closely in order to facilitate a "transfer" of research knowledge into practice. The aim of this volume is to systematise the complex field of the relation between research and practice. The contributions discuss how research and development settings can be designed to establish or increase the relevance of scientific knowledge for practice., Wie sieht das Verhältnis von Wissenschaft und Praxis aus? Wie gelangt Forschungswissen in die Praxis? In den letzten Jahren mehren sich die Forderungen, das Verhältnis von Wissenschaft und Praxis stärker zu untersuchen, um einen „Transfer“ von Forschungswissen in die Praxis zu ermöglichen. Ziel des Bandes ist es, das komplexe Feld der Relationierung von Forschung und Praxis zu systematisieren. Die Beiträge erörtern, wie Forschungs- und Entwicklungssettings ausgestaltet werden können, um die Relevanz wissenschaftlichen Wissens für die Praxis herzustellen bzw. zu erhöhen.

Published
2024
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16. Second asymptomatic carotid surgery trial (ACST-2): a randomised comparison of carotid artery stenting versus carotid endarterectomy

Author

Halliday, Alison, Bulbulia, Richard, Bonati, Leo H, Peto, Richard, Pan, Hongchao, Potter, John, Henning Eckstein, Hans, Farrell, Barbara, Flather, Marcus, Mansfield, Averil, Mihaylova, Boby, Rahimi, Kazim, Simpson, David, Thomas, Dafydd, Sandercock, Peter, Gray, Richard, Molyneux, Andrew, Shearman, Cliff P, Rothwell, Peter, Belli, Anna, Herrington, Will, Judge, Parminder, Leopold, Peter, Mafham, Marion, Gough, Michael, Cao, Piergiorgio, MacDonald, Sumaira, Bari, Vasha, Berry, Clive, Bradshaw, S, Brudlo, Wojciech, Clarke, Alison, Chester, Johanna, Cox, Robin, Cradduck-Bamford, Andrea, Fathers, Susan, Gaba, Kamran, Gray, Mo, Hayter, Elizabeth, Holliday, Constance, Kurien, Rijo, Lay, Michael, le Conte, Steffi, McManus, Jessica, Madgwick, Zahra, Morris, Dylan, Munday, Andrew, Pickworth, Sandra, Ostasz, Wiktor, Poorthuis, Michiel, Richards, Sue, Teixeira, Louisa, Tochlin, Sergey, Tully, Lynda, Wallis, Carol, Willet, Monique, Young, Alan, Casana, Renato, Malloggi, Chiara, Odero Jr, Andrea, Silani, Vincenzo, Parati, Gianfranco, Malchiodi, Giuseppe, Malferrari, Giovanni, Strozzi, Francesco, Tusini, Nicola, Vecchiati, Enrico, Coppi, Gioacchino, Lauricella, Antonio, Moratto, Roberto, Silingardi, Roberto, Veronesi, Jessica, Zini, Andrea, Ferrero, Emanuele, Ferri, Michelangelo, Gaggiano, Andrea, Labate, Carmelo, Nessi, Franco, Psacharopulo, Daniele, Viazzo, Andrea, Malacrida, Giovanni, Mazzaccaro, Daniela, Meola, Giovanni, Modafferi, Alfredo, Nano, Giovanni, Occhiuto, Maria Teresa, Righini, Paolo, Stegher, Silvia, Chiarandini, Stefano, Griselli, Filippo, Lepidi, Sandro, Pozzi Mucelli, Fabio, Naccarato, Marcello, D'Oria, Mario, Ziani, Barbara, Stella, Andrea, Dieng, Mortalla, Faggioli, Gianluca, Gargiulo, Mauro, Palermo, Sergio, Pini, Rodolfo, Puddu, Giovanni Maria, Vacirca, Andrea, Angiletta, Domenico, Desantis, Claudio, Marinazzo, Davide, Mastrangelo, Giovanni, Regina, Guido, Pulli, Raffaele, Bianchi, Paolo, Cireni, Lea, Coppi, Elisabetta, Pizzirusso, Rocco, Scalise, Filippo, Sorropago, Giovanni, Tolva, Valerio, Caso, Valeria, Cieri, Enrico, DeRango, Paola, Farchioni, Luca, Isernia, Giacomo, Lenti, Massimo, Parlani, Gian Battista, Pupo, Guglielmo, Pula, Grazia, Simonte, Gioele, Verzini, Fabio, Carimati, Federico, Delodovici, Maria Luisa, Fontana, Federico, Piffaretti, Gabriele, Tozzi, Matteo, Civilini, Efrem, Poletto, Giorgio, Reimers, Bernhard, Praquin, Barbara, Ronchey, Sonia, Capoccia, Laura, Mansour, Wassim, Sbarigia, Enrico, Speziale, Francesco, Sirignano, Pasqualino, Toni, Danilo, Galeotti, Roberto, Gasbarro, Vincenzo, Mascoli, Francesco, Rocca, Tiberio, Tsolaki, Elpiniki, Bernardini, Giulia, DeMarco, Ester, Giaquinta, Alessia, Patti, Francesco, Veroux, Massimiliano, Veroux, Pierfrancesco, Virgilio, Carla, Mangialardi, Nicola, Orrico, Matteo, Di Lazzaro, Vincenzo, Montelione, Nunzio, Spinelli, Francesco, Stilo, Francesco, Cernetti, Carlo, Irsara, Sandro, Maccarrone, Giuseppe, Tonello, Diego, Visonà, Adriana, Zalunardo, Beniamino, Chisci, Emiliano, Michelagnoli, Stefano, Troisi, Nicola, Masato, Maela, Dei Negri, Massimo, Pacchioni, Andrea, Saccà, Salvatore, Amatucci, Giovanni, Cannizzaro, Alfredo, Accrocca, Federico, Ambrogi, Cesare, Barbazza, Renzo, Marcucci, Giustino, Siani, Andrea, Bajardi, Guido, Savettieri, Giovanni, Argentieri, Angelo, Corbetta, Riccardo, Odero, Attilio, Quaretti, Pietro, Thyrion, Federico Z, Cappelli, Alessandro, Benevento, Domenico, De Donato, Gianmarco, Mele, Maria Agnese, Palasciano, Giancarlo, Pieragalli, Daniela, Rossi, Alessandro, Setacci, Carlo, Setacci, Francesco, Palombo, Domenico, Perfumo, Maria Cecilia, Martelli, Edoardo, Paolucci, Aldo, Trimarchi, Santi, Grassi, Viviana, Grimaldi, Luigi, La Rosa, Giuliana, Mirabella, Domenico, Scialabba, Matteo, Sichel, Leonildo, D'Angelo, Costantino L, Fadda, Gian Franco, Kasemi, Holta, Marino, Mario, Burzotta, Francesco, Codispoti, Francesco Alberto, Ferrante, Angela, Tinelli, Giovanni, Tshomba, Yamume, Vincenzoni, Claudio, Amis, Deborah, Anderson, Dawn, Catterson, Martin, Clarke, Mike, Davis, Michelle, Dixit, Anand, Dyker, Alexander, Ford, Gary, Jackson, Ralph, Kappadath, Sreevalsan, Lambert, David, Lees, Tim, Louw, Stephen, McCaslin, James, Parr, Noala, Robson, Rebecca, Stansby, Gerard, Wales, Lucy, Wealleans, Vera, Wilson, Lesley, Wyatt, Michael, Baht, Hardeep, Balogun, Ibrahim, Burger, Ilse, Cosier, Tracy, Cowie, Linda, Gunathilagan, Gunaratnam, Hargroves, David, Insall, Robert, Jones, Sally, Rudenko, Hannah, Schumacher, Natasha, Senaratne, Jawaharlal, Thomas, George, Thomson, Audrey, Webb, Tom, Brown, Ellen, Esisi, Bernard, Mehrzad, Ali, MacSweeney, Shane, McConachie, Norman, Southam, Alison, Sunman, Wayne, Abdul-Hamiq, Ahmed, Bryce, Jenny, Chetter, Ian, Ettles, Duncan, Lakshminarayan, Raghuram, Mitchelson, Kim, Rhymes, Christopher, Robinson, Graham, Scott, Paul, Vickers, Alison, Ashleigh, Ray, Butterfield, Stephen, Gamble, Ed, Ghosh, Jonathan, McCollum, Charles N, Welch, Mark, Welsh, Sarah, Wolowczyk, Leszek, Donnelly, Mary, D'Souza, Stephen, Egun, Anselm A, Gregary, Bindu, Joseph, Thomas, Kelly, Christine, Punekar, Shuja, Rahi, M Asad, Raj, Sonia, Seriki, Dare, Thomson, George, Brown, James, Durairajan, Ragunath, Grunwald, Iris, Guyler, Paul, Harman, Paula, Jakeways, Matthew, Khuoge, Christopher, Kundu, Ashish, Loganathan, Thayalini, Menon, Nisha, Prabakaran, Raji O, Sinha, Devesh, Thompson, Vicky, Tysoe, Sharon, Briley, Dennis, Darby, Chris, Hands, Linda, Howard, Dominic, Kuker, Wilhelm, Schulz, Ursula, Teal, Rachel, Barer, David, Brown, Andrew, Crawford, Susan, Dunlop, Paul, Krishnamurthy, Ramesh, Majmudar, Nikhil, Mitchell, Duncan, Myint, Min P, O'Brien, Richard, O'Connell, Janice, Sattar, Naweed, Vetrivel, Shanmugam, Beard, Jonathan, Cleveland, Trevor, Gaines, Peter, Humphreys, John, Jenkins, Alison, King, Craig, Kusuma, Daniel, Lindert, Ralph, Lonsdale, Robbie, Nair, Raj, Nawaz, Shah, Okhuoya, Faith, Turner, Douglas, Venables, Graham, Dorman, Paul, Hughes, Andrea, Jones, Deborah, Mendelow, David, Rodgers, Helen, Raudoniitis, Aidas, Enevoldson, Peter, Nahser, Hans, O'Brien, Imelda, Torella, Francesco, Watling, Dave, White, Richard, Brown, Pauline, Dutta, Dipankar, Emerson, Lorraine, Hilltout, Paula, Kulkarni, Sachin, Morrison, Jackie, Poskitt, Keith, Slim, Fiona, Smith, Sarah, Tyler, Amanda, Waldron, Joanne, Whyman, Mark, Bajoriene, Milda, Baker, Lucy, Colston, Amanda, Eliot-Jones, Bekky, Gramizadeh, Gita, Lewis-Clarke, Catherine, McCafferty, Laura, Oliver, Deborah, Palmer, Debbie, Patil, Abhijeet, Pegler, Suzannah, Ramadurai, Gopi, Roberts, Aisling, Sargent, Tracey, Siddegowda, Shivaprasad, Singh-Ranger, Ravi, Williams, Akintunde, Williams, Lucy, Windebank, Steve, Zuromskis, Tadas, Alwis, Lanka, Angus, Jane, Asokanathan, Asaipillai, Fornolles, Caroline, Hardy, Diana, Hunte, Sophy, Justin, Frances, Phiri, Duke, Mitabouana-Kibou, Marie, Sekaran, Lakshmanan, Sethuraman, Sakthivel, Tate, Margaret L, Akyea-Mensah, Joyce, Ball, Stephen, Chrisopoulou, Angela, Keene, Elizabeth, Phair, Alison, Rogers, Steven, Smyth, John V, Bicknell, Colin, Chataway, Jeremy, Cheshire, Nicholas, Clifton, Andrew, Eley, Caroline, Gibbs, Richard, Hamady, Mohammad, Hazel, Beth, James, Alex, Jenkins, Michael, Khanom, Nyma, Lacey, Austin, Mireskandari, Maz, O'Reilly, Joanna, Pereira, Antony, Sachs, Tina, Wolfe, John, Davey, Philip, Rogers, Gill, Smith, Gemma, Tervit, Gareth, Nichol, Ian, Parry, Andrew, Young, Gavin, Ashley, Simon, Barwell, James, Dix, Francis, Nor, Azlisham M, Parry, Chris, Birt, Angela, Davies, Paul, George, Jim, Graham, Anne, Jonker, Leon, Kelsall, Nicci, Potts, Caroline, Wilson, Toni, Crinnion, Jamie, Cuenoud, Larissa, Aleksic, Nikola, Babic, Srdan, Ilijevski, Nenad, Radak, Đorde, Sagic, Dragan, Tanaskovic, Slobodan, Colic, Momcilo, Cvetic, Vladimir, Davidovic, Lazar, Jovanovic, Dejana R, Koncar, Igor, Mutavdžic, Perica, Sladojevic, Miloš, Tomic, Ivan, Debus, Eike S, Grzyska, Ulrich, Otto, Dagmar, Thomalla, Götz, Barlinn, Jessica, Gerber, Johannes, Haase, Kathrin, Hartmann, Christian, Ludwig, Stefan, Pütz, Volker, Reeps, Christian, Schmidt, Christine, Weiss, Norbert, Werth, Sebastian, Winzer, Simon, Gemper, Janine, Günther, Albrecht, Heiling, Bianka, Jochmann, Elisabeth, Karvouniari, Panagiota, Klingner, Carsten, Mayer, Thomas, Schubert, Julia, Schulze-Hartung, Friederike, Zanow, Jürgen, Bausback, Yvonne, Borger, Franka, Botsios, Spiridon, Branzan, Daniela, Bräunlich, Sven, Hölzer, Henryk, Lenzer, Janin, Piorkowski, Christopher, Richter, Nadine, Schuster, Johannes, Scheinert, Dierk, Schmidt, Andrej, Staab, Holger, Ulrich, Matthias, Werner, Martin, Berger, Hermann, Biró, Gábor, Eckstein, Hans-Henning, Kallmayer, Michael, Kreiser, Kornelia, Zimmermann, Alexander, Berekoven, Bärbel, Frerker, Klaus, Gordon, Vera, Torsello, Giovanni, Arnold, Sebastian, Dienel, Cora, Storck, Martin, Biermaier, Bernhard, Gissler, Hans Martin, Klötzsch, Christof, Pfeiffer, Tomas, Schneider, Ralph, Söhl, Leander, Wennrich, Michael, Alonso, Angelika, Keese, Michael, Groden, Christoph, Cöster, Andreas, Engelhardt, Andreas, Ratusinski, Christoph-Maria, Berg, Bengt, Delle, Martin, Formgren, Johan, Gillgren, Peter, Jarl, Lotta, Kall, Torbjörn B, Konrad, Peter, Nyman, Niklas, Skiöldebrand, Claes, Steuer, Johnny, Takolander, Rabbe, Malmstedt, Jonas, Acosta, Stefan, Björses, Katarina, Brandt, Kerstin, Dias, Nuno, Gottsäter, Anders, Holst, Jan, Kristmundsson, Thorarinn, Kühme, Tobias, Kölbel, Tilo, Lindblad, Bengt, Lindh, Mats, Malina, Martin, Ohrlander, Tomas, Resch, Tim, Rönnle, Viola, Sonesson, Björn, Warvsten, Margareta, Zdanowski, Zbigniew, Campbell, Erik, Kjellin, Per, Lindgren, Hans, Nyberg, Johan, Petersen, Björn, Plate, Gunnar, Pärsson, Håkan, Qvarfordt, Peter, Ignatenko, Pavel, Karpenko, Andrey, Starodubtsev, Vladimir, Chernyavsky, Mikhail A, Golovkova, Maria S, Komakha, Boris B, Zherdev, Nikolay N, Belyasnik, Andrey, Chechulov, Pavel, Kandyba, Dmitry, Stepanishchev, Igor, Csobay-Novák, Csaba, Dósa, Edit, Entz, László, Nemes, Balázs, Szeberin, Zoltán, Barzó, Pál, Bodosi, Mihaly, Fákó, Eniko, Fülöp, Béla, Németh, Tamás, Pazdernyik, Szilárd, Skoba, Krisztina, Vörös, Erika, Chatzinikou, Eleni, Giannoukas, Athanasios, Karathanos, Christos, Koutsias, Stylianos, Kouvelos, Georgios, Matsagkas, Miltiadis, Ralli, Styliani, Rountas, Christos, Rousas, Nikolaos, Spanos, Konstantinos, Brountzos, Elias, Kakisis, John D, Lazaris, Andreas, Moulakakis, Konstantinos G, Stefanis, Leonidas, Tsivgoulis, Georgios, Vasdekis, Spyros, Antonopoulos, Constantine N, Bellenis, Ion, Maras, Dimitrios, Polydorou, Antonios, Polydorou, Victoria, Tavernarakis, Antonios, Ioannou, Nikolaos, Terzoudi, Maria, Lazarides, Miltos, Mantatzis, Michalis, Vadikolias, Kostas, Dzieciuchowicz, Lukasz, Gabriel, Marcin, Krasinski, Zbigniew, Oszkinis, Grzegorz, Pukacki, Fryderyk, Slowinski, Maciej, Stanišic, Michal-Goran, Staniszewski, Ryszard, Tomczak, Jolanta, Zielinski, Maciej, Myrcha, Piotr, Rózanski, Dorota, Drelichowski, Stanislaw, Iwanowski, Wojciech, Koncewicz, Katarzyna, Bialek, Pawel, Biejat, Zbigniew, Czepel, Wojciech, Czlonkowska, Anna, Dowzenko, Anatol, Jedrzejewska, Julia, Kobayashi, Adam, Leszczynski, Jerzy, Malek, Andrzej, Polanski, Jerzy, Proczka, Robert, Skorski, Maciej, Szostek, Mieczyslaw, Andziak, Piotr, Dratwicki, Maciej, Gil, Robert, Nowicki, Miroslaw, Pniewski, Jaroslaw, Rzezak, Jaroslaw, Seweryniak, Piotr, Dabek, Pawel, Juszynski, Michal, Madycki, Grzegorz, Pacewski, Bartosz, Raciborski, Witold, Slowinski, Piotr, Staszkiewicz, Walerian, Bombic, Martin, Chlouba, Vladimír, Fiedler, Jirí, Hes, Karel, Koštál, Petr, Sova, Jindrich, Kríž, Zdenek, Prívara, Mojmír, Reif, Michal, Staffa, Robert, Vlachovský, Robert, Vojtíšek, Bohuslav, Hrbác, Tomáš, Kuliha, Martin, Procházka, Václav, Roubec, Martin, Školoudík, David, Netuka, David, Šteklácová, Anna, Beneš III, Vladimír, Buchvald, Pavel, Endrych, Ladislav, Šercl, Miroslav, Campos Jr, Walter, Casella, Ivan B, de Luccia, Nelson, Estenssoro, André E V, Presti, Calógero, Puech-Leão, Pedro, Neves, Celso R B, da Silva, Erasmo S, Sitrângulo Jr, Cid J, Monteiro, José A T, Tinone, Gisela, Bellini Dalio, Marcelo, Joviliano, Edwaldo E, Pontes Neto, Octávio M, Serra Ribeiro, Mauricio, Cras, Patrick, Hendriks, Jeroen M H, Hoppenbrouwers, Mieke, Lauwers, Patrick, Loos, Caroline, Yperzeele, Laetitia, Geenens, Mia, Hemelsoet, Dimitri, van Herzeele, Isabelle, Vermassen, Frank, Astarci, Parla, Hammer, Frank, Lacroix, Valérie, Peeters, André, Verhelst, Robert, Cirelli, Silvana, Dormal, Pol, Grimonprez, Annelies, Lambrecht, Bart, Lerut, Philipe, Thues, Eddy, De Koster, Guy, Desiron, Quentin, Maertens de Noordhout, Alain, Malmendier, Danielle, Massoz, Mireille, Saad, Georges, Bosiers, Marc, Callaert, Joren, Deloose, Koen, Blanco Cañibano, Estrella, García Fresnillo, Beatriz, Guerra Requena, Mercedes, Morata Barrado, Pilar C, Muela Méndez, Miguel, Yusta Izquierdo, Antonio, Aparici Robles, Fernando, Blanes Orti, Paula, García Dominguez, Luis, Martínez López, Rafael, Miralles Hernández, Manuel, Tembl Ferrairo, José I, Chamorro, Ángel, Macho, Juan, Obach, Víctor, Riambau, Vincent, San Román, Luis, Ahlhelm, Frank J, Blackham, Kristine, Engelter, Stefan, Eugster, Thomas, Gensicke, Henrik, Gürke, Lorenz, Lyrer, Philippe, Mariani, Luigi, Maurer, Marina, Mujagic, Edin, Müller, Mandy, Psychogios, Marios, Stierli, Peter, Stippich, Christoph, Traenka, Christopher, Wolff, Thomas, Wagner, Benjamin, Wiegert, Martina M, Clarke, Sandra, Diepers, Michael, Gröchenig, Ernst, Gruber, Philipp, Isaak, Andrej, Kahles, Timo, Marti, Regula, Nedeltchev, Krassen, Remonda, Luca, Tissira, Nadir, Valença Falcão, Martina, de Borst, Gert J, Lo, Rob H, Moll, Frans L, Toorop, Raechel, van der Worp, Bart H, Vonken, Evert J, Kappelle, Jaap L, Jahrome, Ommid, Vos, Floris, Schuiling, Wouter, van Overhagen, Hendrik, Keunen, Rudolf W M, Knippenberg, Bob, Wever, Jan J, Lardenoije, Jan W, Reijnen, Michel, Smeets, Luuk, van Sterkenburg, Steven, Fraedrich, Gustav, Gizewski, Elke, Gruber, Ingrid, Knoflach, Michael, Kiechl, Stefan, Rantner, Barbara, Abdulamit, Timur, Bergeron, Patrice, Padovani, Raymond, Trastour, Jean-Christophe, Cardon, Jean-Marie, Le Gallou-Wittenberg, Anne, Allaire, Eric, Becquemin, Jean-Pierre, Cochennec-Paliwoda, Frédéric, Desgranges, Pascal, Hosseini, Hassan, Kobeiter, Hicham, Marzelle, Jean, Almekhlafi, Mohammed A, Bal, Simerpreet, Barber, Phillip A, Coutts, Shelagh B, Demchuk, Andrew M, Eesa, Muneer, Gillies, Michelle, Goyal, Mayank, Hill, Michael D, Hudon, Mark E, Jambula, Anitha, Kenney, Carol, Klein, Gary, McClelland, Marie, Mitha, Alim, Menon, Bijoy K, Morrish, William F, Peters, Steven, Ryckborst, Karla J, Samis, Greg, Save, Supriya, Smith, Eric E, Stys, Peter, Subramaniam, Suresh, Sutherland, Garnette R, Watson, Tim, Wong, John H, Zimmel, L, Flis, Vojko, Matela, Jože, Miksic, Kazimir, Milotic, Franko, Mrdja, Božidar, Stirn, Barbara, Tetickovic, Erih, Gasparini, Mladen, Grad, Anton, Kompara, Ingrid, Miloševic, Zoren, Palmiste, Veronika, Toomsoo, Toomas, Aidashova, Balzhan, Kospanov, Nursultan, Lyssenko, Roman, Mussagaliev, Daulet, Beyar, Rafi, Hoffman, Aaron, Karram, Tony, Kerner, Arthur, Nikolsky, Eugenia, Nitecki, Samy, Andonova, Silva, Bachvarov, Chavdar, Petrov, Vesko, Cvjetko, Ivan, Vidjak, Vinko, Halužan, Damir, Petrunic, Mladen, Liu, Bao, Liu, Chang-Wei, Bartko, Daniel, Beno, Peter, Rusnák, František, Zelenák, Kamil, Ezura, Masayuki, Inoue, Takashi, Kimura, Naoto, Kondo, Ryushi, Matsumoto, Yasushi, Shimizu, Hiroaki, Endo, Hidenori, Furui, Eisuke, Bakke, Søren, Krohg-Sørensen, Kristen, Nome, Terje, Skjelland, Mona, Tennøe, Bjørn, Albuquerque e Castro, João, Alves, Gonçalo, Bastos Gonçalves, Frederico, de Aragão Morais, José, Garcia, Ana C, Valentim, Hugo, Vasconcelos, Leonor, Belcastro, Fernando, Cura, Fernando, Zaefferer, Patricio, Abd-Allah, Foad, Eldessoki, Mohamed H, Heshmat Kassem, Hussein, Soliman Gharieb, Haytham, Colgan, Mary P, Haider, Syed N, Harbison, Joe, Madhavan, Prakash, Moore, Dermot, Shanik, Gregor, Kazan, Viviane, Nazzal, Munier, and Ramsey-Williams, Vicki

Published
2021
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20. Sachenrecht. §§ 1012–1296

Author

Johannes Denecke, Wilhelm Kregel, Heinz Schuster, Johannes Denecke, Wilhelm Kregel, Heinz Schuster and Johannes Denecke, Wilhelm Kregel, Heinz Schuster, Johannes Denecke, Wilhelm Kregel, Heinz Schuster

Published
2018

22. Using Remote and Proximal Sensing in Organic Agriculture to Assess Yield and Environmental Performance.

Author

Schuster, Johannes, Hagn, Ludwig, Mittermayer, Martin, Maidl, Franz-Xaver, and Hülsbergen, Kurt-Jürgen

Subjects
*REMOTE sensing, *ORGANIC farming, *WATER leakage, *AGRICULTURE, *REFLECTANCE measurement, *CROP rotation
Abstract

Satellite and sensor-based systems of site-specific fertilization have been developed almost exclusively in conventional farming. Agronomic and ecological advantages can also be expected from these digital methods in organic farming. However, it has not yet been investigated whether the algorithms and models are also applicable under organic farming conditions. In this study, the digital data and systems tested in the years 2021 and 2022 in southern Germany were (a) reflectance measurements with a tractor-mounted multispectral sensor, calculation of the vegetation index REIP, and application of algorithms; (b) satellite data in combination with the plant growth model PROMET; and (c) determination of the vegetation index NDVI based on satellite data. They were used to determine plant parameters (crop yield, biomass potential) and to calculate nitrogen balances at a high spatial resolution (10 × 10 m). The digital systems were tested at two sites with different organic farming systems (arable farming and dairy farming). Validation of the digital methods was carried out with ground-truth data from manual biomass sampling and combine harvester yield measurement. The nitrate leaching risk from the crop rotations of the farms was analyzed via site-specific N balancing using multi-year satellite data. The N balances were validated by measuring nitrate concentrations in leakage water. Additionally, soil properties, such as soil organic carbon (SOC) and total nitrogen (TN), were measured at the sub-field level. Using geostatistics, plant data, soil properties, and nitrate measurements were transferred into grids of the same resolution to enable correlation analyses. The correlations between yield determined with digital systems and the validation data were up to r = 0.77. Site-specific N balancing showed moderately positive correlations with nitrate concentrations in leakage water (r = 0.50–0.66). The strongly positive influence of the soil properties SOC and TN on crop yields underlines the importance of soil organic matter on soil fertility and site-specific yield potentials. The results show that digital methods allow the spatially high-resolution determination of yields and nitrogen balances in organic farming. This can be the basis for new management strategies in organic farming, e.g., the targeted use of limited nutrients to increase yields. Further validations under differentiated soil, climate, and management conditions are required to develop remote and proximal sensing applications in organic farming. [ABSTRACT FROM AUTHOR]

Published
2023
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23. Low-Dose vs High-Dose Paclitaxel-Coated Balloons for Femoropopliteal Lesions

Author

Steiner, Sabine, primary, Schmidt, Andrej, additional, Zeller, Thomas, additional, Tepe, Gunnar, additional, Thieme, Marcus, additional, Maiwald, Lars, additional, Schröder, Henrik, additional, Euringer, Wulf, additional, Popescu, Corneliu, additional, Brechtel, Klaus, additional, Brucks, Steffen, additional, Blessing, Erwin, additional, Schuster, Johannes, additional, Langhoff, Ralf, additional, Schellong, Sebastian, additional, Weiss, Norbert, additional, Beschorner, Ulrich, additional, Wittig, Tim, additional, and Scheinert, Dierk, additional

Published
2022
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24. The role of international organisations and non-state actors in the implementation of the UN Convention on the Rights of Persons with Disabilities and inclusive education

Author

Schuster, Johannes

Subjects
Social network analysis, Education policy, Policy networks, Twitter, Inclusive education, 300 Sozialwissenschaften::370 Bildung und Erziehung::379 Bildungspolitik
Abstract

While inclusive education (IE) has been one of the most controversial issues in education policy for many decades, it has established itself as the preferred form for the education of persons with disabilities. This development has been further advanced not least by the adoption of the United Nations Convention on the Rights of Persons with Disabilities (CRPD) in 2006. Despite its legal enforceability and the worldwide diffusion of IE as the general norm, there are still major differences in the implementation status of the CRPD and IE in the member states. To promote implementation, broad networks of various international organisations (IOs) and non-state actors such as non-governmental organisations (NGOs) and businesses are forming across multiple levels. Through the formation of such policy networks, the different actors can take on specific roles to support disability and IE policy in their respective spheres of action. However, a systematic examination of these networks, the actors involved and the roles they play is missing. The dissertation addresses this research gap by analysing the involvement of IOs and non-state actors in the implementation of the CRPD and IE at multiple levels, with a particular focus on the networks these actors form. The considerations are based on theories of education policy networks and are extended by social network theory. More specifically, two network theoretical approaches (i.e., the network flow and the network architecture model) are combined to capture the networked governance processes underlying the implementation. In this way, it is possible to conceptualise both the flow of information, the actors influencing this flow and the resulting structures, and to take into account the individual qualities of the actors embedded in these structures. Drawing on techniques of social network analysis, the first three studies analyse the global Twitter communication networks surrounding the CRPD and IE to describe the general structure, identify central actors and derive their roles in the implementation process. The fourth study uses a systematic literature review to examine the actors involved and their main forms of participation at the national level. A synthesis of the findings shows that a heterogenous set of actors ��� in particular IOs, NGOs, businesses and research actors ��� has emerged to influence disability and IE policy-making at multiple levels. IOs are primarily involved in the overall promotion of the CRPD and IE, with different focuses depending on the individual interests of the organisations, and in developing capacities to improve implementation in member states. Furthermore, they can be considered as knowledge brokers and boundary spanners, mediating between different sectors as well as actors with different thematic interests. NGOs also focus their efforts on general advocacy and capacity development, but put more emphasis on building advocacy coalitions with other NGOs and interest groups in creating network structures. Businesses limit their activities mainly to the active dissemination of information (e.g., on their own products), but show differences in terms of the thematic focus in the broader field of the CRPD: while multinational companies can be found in the issue-specific network on new technologies, smaller businesses are central in the network on inclusive education. Furthermore, there is a discrepancy between the engagement of businesses at the global and national level, as these are hardly represented at the national level according to the results. Research actors and experts, the fourth main group, show a broad range of activities, with a focus on policy formulation, monitoring and implementation on the ground. In summary, the findings contribute to a better understanding of networked governance processes in the context of the CRPD and IE, not only by describing the roles of different IOs and non-state actors involved in these processes, but also by shedding light on the network structures that emerge around these processes. In this way, the results support the theoretical assumptions of the network models employed and highlight the potential of a framework that integrates the models with existing theories of education policy networks. The theoretical framework developed in this dissertation thus opens up possibilities for both theoretical extensions of policy networks in education and for future research on the involvement of different actors in the implementation of the CRPD and IE. Furthermore, implications for the involvement of IOs and non-state actors in education policy and practice are derived from the findings., W��hrend inklusive Bildung seit vielen Jahrzenten eines der am kontroversesten diskutierten Themen in der Bildungspolitik ist, hat sie sich in den letzten Jahren als bevorzugte Form f��r die Bildung von Menschen mit Behinderung etabliert. Diese Entwicklung wurde nicht zuletzt durch die Verabschiedung der Behindertenrechtskonvention (BRK) der Vereinten Nationen im Jahr 2006 weiter vorangetrieben. Trotz der rechtlichen Durchsetzbarkeit und der weltweiten Verbreitung inklusiver Bildung als allgemeiner Norm gibt es noch gro��e Unterschiede hinsichtlich der Umsetzung der BRK und inklusiver Bildung in den Mitgliedsstaaten. Um die Umsetzung zu f��rdern, bilden sich auf verschiedenen Ebenen breite Netzwerke aus verschiedenen internationalen Organisationen (IO) und nicht-staatlichen Akteur*innen, wie beispielsweise Nichtregierungsorganisationen (NRO) und Unternehmen. Durch die Bildung solcher politischer Netzwerke k��nnen die verschiedenen Akteur*innen spezifische Rollen ��bernehmen, um die Politik in den Bereichen Behindertenrechte und inklusive Bildung in ihren jeweiligen Handlungsbereichen zu unterst��tzen. Bislang fehlt jedoch eine systematische Untersuchung dieser Netzwerke, der beteiligten Akteur*innen und der Rollen, die sie spielen. Die Dissertation adressiert diese Forschungsl��cke, indem sie die Beteiligung von IO und nicht-staatlichen Akteur*innen an der Umsetzung der BRK und inklusiver Bildung auf mehreren Ebenen analysiert, wobei der Schwerpunkt auf den Netzwerken liegt, die diese Akteure bilden. Die ��berlegungen st��tzen sich auf Theorien zu bildungspolitischen Netzwerken und werden durch die soziale Netzwerktheorie erweitert. Genauer gesagt werden zwei netzwerktheoretische Ans��tze (n��mlich das network flow model und das network architecture model) kombiniert, um die Governance-Prozesse, die der Umsetzung zugrunde liegen, zu erfassen. Auf diese Weise ist es m��glich, sowohl den Informationsfluss, die Akteur*innen, die diesen Fluss beeinflussen und die daraus resultierenden Strukturen zu konzeptualisieren, als auch die individuellen Eigenschaften der in diesen Strukturen eingebetteten Akteur*innen zu ber��cksichtigen. Die ersten drei Studien analysieren mit Hilfe von Techniken der sozialen Netzwerkanalyse die globalen Twitter-Kommunikationsnetzwerke rund um die BRK und inklusive Bildung, um die allgemeine Struktur zu beschreiben, zentrale Akteur*innen zu identifizieren und daraus ihre Rollen in diesen Prozessen abzuleiten. Die vierte Studie untersucht anhand eines systematischen Literatur-Reviews die beteiligten Akteur*innen und ihre wichtigsten Beteiligungsformen auf nationaler Ebene. Eine Synthese der Ergebnisse zeigt, dass sich eine heterogene Gruppe von Akteur*innen ��� insbesondere IO, NRO, Unternehmen und Forschungsakteur*innen ��� herausgebildet hat, die auf verschiedenen Ebenen Einfluss auf die Politik in den Bereichen Behinderung und inklusiver Bildung nehmen. IO sind in erster Linie an der allgemeinen F��rderung der BRK und inklusiver Bildung beteiligt, mit unterschiedlichen Schwerpunkten je nach den individuellen Interessen der Organisationen, sowie an der Entwicklung von Kapazit��ten, die die Umsetzung in den Mitgliedsstaaten verbessern. Dar��ber hinaus k��nnen sie als Wissensvermittler und Boundary-Spanner betrachtet werden, die zwischen verschiedenen Sektoren sowie Akteur*innen mit unterschiedlichen thematischen Interessen vermitteln. NRO konzentrieren sich ebenfalls auf allgemeine Advocacy und die Kapazit��tsentwicklung, legen aber in der Schaffung von Netzwerkstrukturen mehr Wert auf den Aufbau homogener Advocacy-Koalitionen mit anderen NRO und Interessensgruppen. Unternehmen beschr��nken ihre Aktivit��ten haupts��chlich auf die aktive Verbreitung von Informationen (bspw. zu eigenen Produkten), zeigen aber Unterschiede in Bezug auf thematische Schwerpunkte im Themenfeld der BRK: W��hrend multinationale Unternehmen im themenspezifischen Netzwerk zu neuen Technologien zu finden sind, sind im Netzwerk zu inklusiver Bildung kleinere Unternehmen zentral. Daneben gibt es au��erdem eine Diskrepanz zwischen dem Engagement von Unternehmen auf globaler und nationaler Ebene, da diese den Ergebnissen zufolge auf nationaler Ebene kaum vertreten sind. Forschungsakteur*innen und Expert*innen als vierte Hauptgruppe weisen ein breites Spektrum an Aktivit��ten auf, wobei der Schwerpunkt auf der Formulierung und ��berwachung politischer Ma��nahmen sowie der Umsetzung vor Ort liegt. Insgesamt tragen die Ergebnisse zu einem besseren Verst��ndnis von Netzwerk-Governance-Prozessen im Kontext der BRK und inklusiver Bildung bei, indem sie nicht nur die Rollen verschiedener IO und nicht-staatlicher Akteur*innen beschreiben, die an diesen Prozessen beteiligt sind, sondern auch die Netzwerkstrukturen beleuchten, die um diese Prozesse herum entstehen. Auf diese Weise st��tzen die Ergebnisse die theoretischen Annahmen der verwendeten Netzwerkmodelle und zeigen das Potenzial des Rahmens auf, der die Modelle mit bestehenden Theorien zu bildungspolitischen Netzwerken verbindet. Der in dieser Dissertation entwickelte theoretische Rahmen er��ffnet somit M��glichkeiten sowohl zu theoretischen Erweiterungen von Politiknetzwerken im Bildungswesen als auch zu k��nftiger Forschung zur Beteiligung verschiedener Akteur*innen an der Umsetzung der BRK und inklusiver Bildung. Dar��ber hinaus werden aus den Ergebnisse Implikationen f��r die Einbindung von IO und nicht-staatlichen Akteur*innen in die Bildungspolitik und -praxis pr��sentiert.

Published
2022

30. International Public Administrations on Twitter: A Comparison of Digital Authority in Global Climate Policy.

Author

Goritz, Alexandra, Schuster, Johannes, Jörgens, Helge, and Kolleck, Nina

Subjects
*PUBLIC administration, *GOVERNMENT policy on climate change, *RANDOM graphs, *STATE power, *INTERNATIONAL communication
Abstract

International organizations and their secretariats, called international public administrations (IPAs), have been found to hold considerable authority in world politics. This study conceptualizes and measures IPA authority in the digital sphere. It proposes the concept of digital authority to measure the authority of actors in online social networks (OSN), such as Twitter. Applying exponential random graph models (ERGMs) based on Twitter data during climate change negotiations the article compares the authority of IPAs to that of other actors. The findings show that IPAs are attributed as much authority as state actors in global climate communication networks on Twitter. [ABSTRACT FROM AUTHOR]

Published
2022
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31. A Single Sign-On Infrastructure for Science Gateways on a Use Case for Structural Bioinformatics

Author

Gesing, Sandra, Grunzke, Richard, Krüger, Jens, Birkenheuer, Georg, Wewior, Martin, Schäfer, Patrick, Schuller, Bernd, Schuster, Johannes, Herres-Pawlis, Sonja, Breuers, Sebastian, Balaskó, Ákos, Kozlovszky, Miklos, Fabri, Anna Szikszay, Packschies, Lars, Kacsuk, Peter, Blunk, Dirk, Steinke, Thomas, Brinkmann, André, Fels, Gregor, Müller-Pfefferkorn, Ralph, Jäkel, René, and Kohlbacher, Oliver

Published
2012
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41. COMPARE: prospective, randomized, non-inferiority trial of high- vs. low-dose paclitaxel drug-coated balloons for femoropopliteal interventions

Author

Steiner, Sabine, primary, Schmidt, Andrej, additional, Zeller, Thomas, additional, Tepe, Gunnar, additional, Thieme, Marcus, additional, Maiwald, Lars, additional, Schröder, Henrik, additional, Euringer, Wulf, additional, Ulrich, Matthias, additional, Brechtel, Klaus, additional, Brucks, Steffen, additional, Blessing, Erwin, additional, Schuster, Johannes, additional, Langhoff, Ralf, additional, Schellong, Sebastian, additional, Weiss, Norbert, additional, and Scheinert, Dierk, additional

Published
2020
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44. The rise of global policy networks in education: analyzing Twitter debates on inclusive education using social network analysis.

Author

Schuster, Johannes, Jörgens, Helge, and Kolleck, Nina

Subjects
*SOCIAL network analysis, *EDUCATION policy, *RHETORICAL analysis, *CRITICAL analysis, *PEOPLE with disabilities
Abstract

With the Convention on the Rights of Persons with Disabilities (CRPD), inclusive education has become the main alternative to special schools for the schooling of children with disabilities. In order to promote the global implementation of inclusive education, a variety of stakeholders form networks to transmit and exchange information and knowledge concerning political strategies. However, little is known about the actors and actor groups involved in these networks. In the present paper, we draw on general network theory and policy network theory to examine the Twitter communication network that has formed around the topic of inclusive education. Using exploratory and inferential social network analysis, we show that disabled persons' organizations and international organizations, such as the United Nations, hold a particularly central position in the network. This position enables them to potentially exert influence on the content and flow of information within the network. Aside from that, business actors are active participants in the network. Moreover, the Twitter network shows some structural patterns that can also be found in policy networks. Our findings help to map the global sphere of inclusive education promotion and can contribute to a broader understanding of global processes in inclusive education policy. [ABSTRACT FROM AUTHOR]

Published
2021
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45. How to Design a Crowdwork Platform

Author

Schuster, Johannes, Dellermann, Dominik, Lipusch, Nikolaus, and Kohler, Thomas

Subjects
business studies, information management, other research area
Abstract

Digital technology is rapidly changing the organisation of work. On form of digital work is crowd work that is gaining increasing importance in the field of software development. However, only few platforms are able to sustainably create and capture value. We therefore provide an examination of how to design crowd work platforms by conducting a multiple case study in the software development industry.

Published
2018

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