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The continua model of bilteracy offers a framework in which to situate research,teaching, and language planning in linguistically diverse settings. Using this model, and citing examples of Cambodian and Puerto Rican students in Philadelphia's public schools as illustrative of the challenge facing American educators, this paper suggests that the more their learning contexts allow learners to draw on all points of the continua, the greater are the chances for their full biliterate development. The paper revisits the continua model from the perspective of several international cases of educational policy and practice in linguistically diverse settings--Brazil, Peru, Ecuador, and Bolivia, and from a critical perspective which seeks to make explicit the power relationships which define bi(multi)literacies in these contexts. Building from these perspectives and from continuing research in Philadelphia's Cambodian and Puerto Rican communities, the paper proposes an expanded continua model which takes into account not only biliterate contexts, media, and development, but also, crucially, the content of biliteracy. The paper concludes with comments on how the insights of the continua model of biliteracy can contribute to the understanding not only of diverse classrooms, but also of all classrooms. (Contains 55 references.) (Author/MSE)

This volume of the 30th annual proceedings of the International Group for the Psychology of Mathematics Education conference presents: plenary panel papers; research forum papers; short oral communication papers; and poster presentation papers from the meeting. Information relating to discussion groups and working sessions is also provided. Plenary lecture papers include: (1) Mathematics, didactical engineering and observation (G. Brousseau); (2) A Semiotic View of the Role of Imagery and Inscriptions in Mathematics Teaching and Learning (N. Presmeg); (3) School Mathematics as a Developmental Activity (S. Stech); and (4) PME 1 to 30--Summing Up And Looking Ahead (P. Tsamir and D. Tirosh). Plenary panel papers include: (1) The Necessity of Collaborations between Mathematicians and Mathematics Educators (Z. Gooya); (2) Generic versus Subject Specific Pedagogy (S. Groves); (3) How Can Schools Put Mathematics in Their Centre? (K. Krainer); and (4) Mathematics in the Centre (T. Rojano). The first research forum (RF01) includes: (1) Seeing More and Differently (L. Brown and A. Coles); (2) Joint Reflection as a Way to Cooperation between Researchers and Teachers (A. Hospesova, J. Machackova, and M. Ticha); (3) Opening the Space of Possibilities (A. Lebethe, N. Eddy, and K. Bennie); (4) Diverse Roles, Shared Responsibility (J. Novotna and A. Pelantova); (5) Research with Teachers (L. Poirier); (6) Developing a Voice (G. Rosen); and (7) Learning about Mathematics and about Mathematics Learning through and in Collaboration (V. Zack and D. Reid). The second research forum (RF02) includes: Exemplification in Mathematics Education (L. Bills, T. Dreyfus, J. Mason, P. Tsamir, A. Watson, and O. Zaslavsky). The third research forum (RF03) includes: (1) Conceptual Change in Mathematics Learning (D. Tirosh and P. Tsamir); (2) Aspects of Students' Understanding of Rational Numbers (X. Vamvakoussi and S. Vosniadou); (3) Conceptual Change in the Number Concept (K. Merenluoto and E. Lehtinen); (4) The Linear Imperative (W. Van Dooren, D. De Bock, and L. Verschaffel); (5) Conceptual Change in Advanced Mathematical Thinking (I. Biza and T. Zachariades); (6) Students' Interpretation of the Use of Literal Symbols in Algebra (K. P. Christou and S. Vosniadou); (7) The Dilemma of Mathematical Intuition in Learning (L. B. Resnick); and (8) Designing for Conceptual Change (B. Greer). Short oral communications papers include: (1) The Mathematics Teachers' Conceptions about the Possible Uses of Learning Objects from RIVED-Brazil Project (C. A. A. P. Abar and L. S. de Assis); (2) On the Way to Understanding Integration (S. Abdul-Rahman); (3) The Impact of Graphic-Calculator Use on Bedouin Students' Learning Functions (M. Abu-Naja and M. Amit); (4) How to Put It All Together? (M. Alagic); (5) Reading Mathematics Textbook as a Storybook (S. E. Anku); (6) Naming and Referring to Quantities When Solving Word Problems in a Spreadsheet Environment (D. Arnau and L. Puig); (7) If It Divides by 4, It Must Divide by 8 (J. Back); (8) Universal and Existential Mathematical Statements (R. Barkai, T. Dreyfus, D. Tirosh, and P. Tsamir); (9) Situtations, Linear Functions and the "Real World" (G. Benke); (10) The Relationship between High School Mathematics and Career Choices among High Achieving Young Women (S. B. Berenson, J. J. Michael, and M. Vouk); (11) Students' Understanding of Ambiguity in Symbols (K. P. Blair); (12) Reform-Oriented Teaching Practices and the Influence of School Context (J. Bobis and J. Anderson); (13) Approaching Linear (In)Dependence with Example-Generation (M. Bogomolny); (14) Metaphors in Teacher's Discourse (J. Bolite Frant, V. Font, and J. Acevedo); (15) Designing Instructional Programs that Facilitate Increased Reflection (J. Bowers and S. Nickerson); (16) Conformism in Teaching Mathematics (A. Braverman, P. Samovol, and M. Applebaum); (17) Constructing Multiplication (J. Brocardo, L. Serrazina, and I. Rocha); (18) The Trigonometric Connection (S. A. Brown); (19) Student Beliefs and Attitudes from Poetry Writing in Statistics (M. Bulmer, B. Lea, and K. Rolka); (20) The Teaching of Proof in Textbooks (R. Cabassut); (21) Classroom: A Learning Context for Teachers (A. P. Canavarro); (22) An Investigation of Differences in Performance in Mathematics between Parallel Students and Normal Entry Students at the Polytechnic--University of Malawi (P. C. Chamdimba); (23) A Study on Eliciting the Formula for the Area of Triangle from Students' Structuring of Tile Arrays and Figure Reconstructions (J.-H. Chen and S.-K. S. Leung); (24) Decision Making at Uncertainty (E. Chernoff and R. Zazkis); (25) A Study on Implementating Inquiry-Based Teaching to Facilitate Secondary School Students' Learning in the Retaking Mathematics Course (E.-T. Chin, C.-Y. Chen, C.-Y. Liu, and C.-P. Lin); (26) Girls Excelled Boys in Learning Geometric Transformation Using Tessellations (S. Choi-Koh and H. Ko); (27) A National Survey of Young Children's Understanding of Basic Time Concepts (J. Chung and C.-C. Yang); (28) An Exploration of the Mathematical Literacy of Irish Student Primary School Teachers (D. Corcoran); (29) Mathematics Teachers' Knowledge and Practice (J. P. da Ponte and O. Chapman); (30) Psychological Aspects of Students Thinking at the Stage of Graphical Representation in the Process of Investigation of Functions (M. Dagan); (31) Formative Feedback and Mindful Teaching of Undergraduate Mathematics (G. E. Davis and M. A. McGowen); (32) Mathematics Education in the South and Western Pacific (A. J. Dawson); (33) Teacher Meditation of Technology-Supported Graphing Activity (R. Deaney, S. Hennessy, and K. Ruthven); (34) A Categorization of Difficulties Encountered by 13-to-15-Year-Olds while Selecting Inverse Algebraic Operation (A. Demby); (35) "It's Infinity" (T. Dooley); (36) What Is to Be Known? (J.-P. Drouhard); (37) "The Most Normal Path" (M. Droujkova, S. Berenson, G. Mojica, K. Slaten, and H. Wilson); (38) Exploratory Mathematics Talk in Friendship Groups (J.-A. Edwards); (39) Conceptual Basis of Proof (L. D. Edwards); (40) In-Service Education under Market Conditions (L. R. Ejersbo); (41) Statements of Problems and Students' Choices between Linear or Non-Linear Models (C. Esteley, M. Villarreal, and H. Alagia); (42) Equity and Quality Mathematics Education (G. Frempong); (43) Is Sensitivity for the Complexity of Mathematics Teaching Measurable? (T. Fritzlar); (44) By Using the Outcome-Based Approach to Strengthen Students' Learning Capabilities (A. T.-F. Fung and K.-M. Leung); (45) Patterns of Students' Interactions while Doing Geometric Proofs in Groups (F. L. Gallos); (46) Dialogue: A Tool for Creating Mathematical Proof (S. Gholamazad); (47) Beginning Teachers in Mathematical Inquiry (B. Graves and C. Suurtamm); (48) Learning Trajectory of Fraction in Elementary Education Mathematics (S. Hadi); (49) Elementary Education Students' Affect towards and Advancement in Mathematics (M. S. Hannula, R. Kaasila, E. Pehkonen, and A. Laine); (50) Pre-Service Mathematics Teachers (B. Hartter and J. Olson); (51) Effectiveness of Video-Case Based Elementary Mathematics Teacher Training (R. Huang and J. Bao); (52) Improving Students' Level of Geometrical Thinking through Teacher's Regulating Roles (M. Imprasitha); (53) What's the Connection between Ears and Dice (I. Jan and M. Amit); (54) Tactile Perception in 3D Geometry (D. Jirotkova and G. Littler); (55) High Achieving Students' Conceptions of Limits (K. Juter); (56) Reading Visual Representations of Data with Kindergarten Children (S. Kafoussi); (57) Students' Use of Gestures to Support Mathematical Understandings in Geometry (L. H. Kahn); (58) Mathematical Abilities for Developing Understanding of Formal Proof (E. Kapetanas and T. Zachariades); (59) An Analysis of Connections between Errors and Prior Knowledge in Decimal Calculation (J. Kim, J. Pang, and K. Song); (60) Insights into Primary Teachers' Interpretations of Students' Written Answers in Mathematics (A. Klothou and H. Sakonidis); (61) The Role of Proof (S. Kmetic); (62) A Comparison of Mathematically Gifted and Non-Gifted Students in Intuitively Based, Probabilistic Misconception (E. S. Ko, B. H. Choi, and E. H. Lee); (63) Exploring Teaching and Learning of Letters in Algebra (A. Kullberg and U. Runesson); (64) Teaching Mathematics to Indigenous Students and Pupils from Multicultural Backgrounds (E. K. Lam); (65) Limitations of a Partitive Fraction Scheme in Developing Multiplicative Reasoning about Fractions (H. S. Lee); (66) Teachers' Reflection and Self-Assessment through the Use of a Videotape of Their Own Mathematics Instruction (S. Lee and J. Pang); (67) A Case Study on the Introducing Methods of the Irrational Numbers Based on the Freudenthal's Mathematising Instruction (Y. R. Lee); (68) A Case Study of an Elementary School Teacher's Professional Development on Mathematics Teaching in Context (Y.-C. Leu, C.-H. Hsu, and W.-L. Huang); (69) "But after All, We'll Need This for School" (N. Leufer and S. Prediger); (70) Developing Primary Students' Cognitive Skills through Interactive Mathematics Lessons (K.-M. Leung); (71) A Study on the Effects of Multiple Representation Curriculum on Fraction Number Learning Schemes for Fourth Grade Children (S.-K. S. Leung and I.-J. Wang); (72) Teachers' Knowledge about Definitions (E. Levenson and T. Dreyfus); (73) Supporting Teachers on Maintaining High-Level Instructional Tasks in Classroom by Using Research-Based Cases (P.-J. Lin); (74) Towards an Anti-Essentialist View of Technology in Mathematics Education (B. Lins and C. H. de Jesus Costa); (75) Comparing Teaching of Common Mathematical Tasks in Different Countries (G. Littler and M. Tzekaki); (76) New Approach of Neurocognition in Mathematical Education Research and further Implications (C. Liu, F.-L. Lin, and C.-N. Dai); (77) Reasoning and Generalizing about Functional Relationship in a Grade 2 Classroom (S. London McNab); (78) The MathematicalPerformances in Solving the Norming Problem (H.-L. Ma); (79) The Education of Reasoning (E. Macmillan); (80) The Effect of Rephrasing Word Problems on the Achievements of Arab Students in Mathematics (A. Mahajne and M. Amit); (81) An Approach to Eary Algebra Using Technology as an Enhancement (C. A. Maher and G. Gjone); (82) Teachers' Beliefs and Competencies of Creative Mathematical Activities (B. Maj); (83) Manipulative Representation (N. Mark-Zigdon and D. Tirosh); (84) Language, Power and Mathematics Learning (M. Mathye and M. Setati); (85) Children Learning as Participation in Web-Based Communities of Practice (J. F. Matos and M. Santos); (86) Recognizing Mathematical Competences (J. F. Matos, M. Santos, and M. Mesquita); (87) Mathematics Teachers' Preparation Program (A. S. Md. Yunus, R. Hamzah, H. Ismail, S. K. S. Hussain, and M. R. Ismail); (88) Mathematics Register Acquisition (T. Meaney); (89) Development of Spatial Abilities (H. Meissner); (90) An Encounter between Queer Theory and Mathematics Education (H. Mendick); (91) Establishing a Mathematics Learning Community in the Study of Mathematics for Teaching (J. Mgombelo and C. Buteau); (92) Talking Mathematics in a Second Language (H. Miranda); (93) Objects in Motion (I. Miranda, L. Radford, and J. G. Hernandez); (94) Researching the Appearance of Mathematical Argumentation (C. Misailidou); (95) Teachers' Pedagogical Content Knowledge in the Teaching of Quadrilaterals (I. A. C. Mok and M. Y. H. Park); (96) Out-of-School Experts in Mathematics Classes (J. Monaghan); (97) A Sequel to Trends in International Mathematics and Science Study (TIMSS), 2003, in Botswana (S. M. Montsho); (98) The Pattern and Structure Mathematics Awareness Project (PASMAP) (J. Mulligan and M. Mitchelmore); (99) Primary Pupils' Mathematics Achievement (C. Opolot-Okurut); (100) Images of Functions Defined in Pieces (R. Ovodenko and P. Tsamir); (101) A Comparative Analysis of Elementary Mathematics Textbooks of Korea and Singapore (J. Pang and H. Hwang); (102) Substitutions on Algebraic Statements, Based on Associations in Natural Reasoning (M. Panizza); (103) Virtual Learning Environments and Primary Teachers' Professional Development (M. C. Penalva-Martinez and C. Rey-Mas); (104) Cypriot Preservice Primary School Teachers' Subject-Matter Knowledge of Mathematics (M. Petrou); (105) Phenomenological Mathematics Teaching (P. Portaankorva-Koivisto); (106) Using the Debate to Educate Future Teachers of Mathematics (J. Proulx); (107) Surprise on the Way from Change of Length to Change of Area (N. Prusak, N. Hada, and R. Hershkowitz); (108) Discovering of Regularity (by 11-Years-Old Children) (M. Pytlak); (109) Using Manipulatives to Teach Students in College Developmental Math Classes about Fractions (S. L. Reynolds and E. B. Uptegrove); (110) Sixth Graders' Ability to Generalize Patterns in Algebra (F. Rivera and J. Rossi Becker); (111) Variety of Representational Environments in Early Geometry (F. Roubicek); (112) From Research on Using Problems Related to Functional Equations as Multifunctional Tools for Revealing Subject Mater Knowledge of Functions in Future Mathematics Teachers (M. Sajka); (113) Expert and Novice Primary Teachers' Intervening in Students' Mathematical Activity (H. Sakonidis, M. Kaldrimidou, and M. Tzekaki); (114) Examining Teachers' Reflections about Mathematics Teaching, Learning, and Assessment (V. M. Santos-Wagner); (115) Analyzing Students' Thought Process in Revealing Correspondence between Formulas and Geometrical Objects (P. Satianov and M. Dagan); (116) "No Need to Explain, We Had the Same" (K. Schreiber); (117) Characteristics of Malaysian Students' Understanding about Functions (S. A. Sh. Abdullah); (118) Mathematical Induction via Conceptual Representation (A. Sharif-Rasslan); (119) Exploring the Meanings of Events in Mathematics Classroom from Learners' Perspective (Y. Shimizu); (120) A Study on the Law of Large Numbers Instruction through Computer Simulation (B.-M. Shin and K.-H. Lee); (121) Mathematics Learning Quality for Gifted Junior High School Students in Taiwan (H.-Y. Shy, C.-H. Liang, and W.-M. Liang); (122) A Preservice Teacher's Growth in Subject Matter Knowledge while Planning a Trigonometry Lesson (K. M. Slaten); (123) Comparing Numbers: Counting-Based and Unit-Based Approaches (H. Slovin); (124) Mathematically Gifted 6th Grade Korean Students' Proof Level for a Geometric Problem (S Song, Y. Chong, J. Yim, and H. Chang); (125) Probability Reasoning Level of Gifted Students in Mathematics (S. Song, K. Lee, G. Na, and D. Han); (126) Analysis of Mathematically Gifted 5th and 6th Grade Students' Process of Solving "Straight Line Peg Puzzle" (S. Song, J. Yim, Y. Chong, and J. Kim); (127) Standard Mathematics Discourses of Developmental Algebra Undergraduates (S. K. Staats); (128) Novice Students, Experienced Mathematicians, and Advanced Mathematical Thinking Processes (E. Stadler); (129) The "Soil" of Extended Problems: The Cultural Background of the Chinese Mathematics Teaching Practice (X. Sun and N.-Y. Wong); (130) Immersion in Mathematical Inquiry: The Experiences of Beginning Teachers (C. Suurtamm and B. Graves); (131) The Whole Idea (S. Tobias); (132) The Teaching Modes (R. A. Tomas Ferreira); (133) Didactic Decisions (J. Trgalova and I. Lima); (134) Evaluating a Large-Scale National Program for Incorporating Computational Technologies to Mathematics Classrooms (M. Trigueros and A. I. Sacristan); (135) Symmetry: Equality or a Dynamic Transformation? (K. Tselepidis and C. Markopoulos); (136) Teaching Children to Count (F. Turner); (137) Student Conceptions and Textbook Messages (B. Ubuz); (138) Students' Errors in Transforming Terms and Equations (A. Ulovec and A. Tollay); (139) Mathematics with Technology (S. Ursini, G. Sanchez, and D. Santos); (140) Francisca Uses Decimal Numbers (M. E. Valedmoros Alvarez and E. F. Ledesma Ruiz); (141) Development of Numerical Estimation in Grade 1 to 3 (M. van Galen and P. Reitsma); (142) Mathematics Education and Neurosciences (MENS) (F. van Nex and T. Gebuis); (143) Symbolizing and Modeling to Promote a Flexible Use of the Minus Sign in Algebraic Operations (J. Vlassis); (144) An Analysis of Preservice Teachers' Estimation Strategies within the Context of Whole Numbers, Fractions, Decimals, and Percents (T. N. Volkova); (145) What Does It Mean to Interpret Students' Talk and Actions? (T. Wallach and R. Even); (146) The Research of Co-Teaching Math between Experienced and Preservice Teachers in Elementary School (J.-H. Wang); (147) The Influence of Teaching on Transforming Math Thinking (T.-Y. Wang and F.-J. Hsieh); (148) Searching for Common Ground (J. Watson, L. Webb, L. King, and P. Webb); (149) Are Beliefs and Practices Congruent or Disjoint? (L. Webb and P. Webb); (150) Working Memory and Children's Mathematics (M. Witt and S. Pickering); (151) Mathematics Education Reform in the United States (T. Wood); (152) A Modeling Perspective on Problem Solving in Students' Mathematics Project (F.-M. Yen and C.-K. Chang); and (153) Development of a Questionnaire to Measure Teachers' Mathematics-Related Beliefs (S.-Y. Yu and C.-K. Chang). Poster presentations include: (1) A Comparative Analysis of Mathematics Achievement and Attitudes of Male and Female Students in Botswana Secondary Schools (A. A. Adeyinka); (2) Logical-Mathematical Learning for Student with Down's Syndrome (R. M. Aguilar, A. Bruno, C. S. Gonzalez, V. Munoz, A. Noda, and L. Moreno); (3) The Math Fair as a Bridge between Mathematics and Mathematics Education, the University and Elementary or Junior High School (M. Beisiegel); (4) One Teaching Episode from a Learner's, an Observer's and a Teacher's Point of View (H. Binterova and J. Novotna); (5) A Framework for Studying Curricular Effects on Students' Learning (J. Cai and J. C. Moyer); (6) Preservice Elementary Teachers' Conceptual Understanding of Word Problems (O. Chapman); (7) Mathematics Education and School Failure (P.Chaviaris and S. Kafoussi); (8) Enhancing the Seventh Graders' Learning on Equality Axiom and Linear Equation through Inquiry-Oriented Teaching and Integrated Mathematics and Science Curriculum (K.-J. Chen, S.-Y. Yu, E.-T. Chin, and H.-L. Tuan); (9) To Conjecture the Staff Development Model of Mathematical Teacher According to Spark's Theory (Y.-T. Chen and S. Leou); (10) Discovery of Implementing Teaching by Discussion in Mathematics Classrooms (J. Chung); (11) Modeling Teachers' Questions in High School Mathematics Classes (S. Dalton, G. Davis, and S. Hegedus); (12) My Assistant, a Didactic Tool of Mathematics for Primary School Teachers (N. de Bengoechea-Olguin); (13) A Model to Interpret Teacher's Practices in Technology-Based Environment (N. C. Dedeoglu); (14) The Gnomon (P. Delikanlis); (15) The Teacher's Proactive Role in the Context of Word Problem Solving by Young Beginners in Algebra (I. Demonty); (16) Students' Geometrical Thinking Development at Grade 8 in Shanghai (L. Ding and K. Jones); (17) An Interdisciplinary Perspective on Learning to Teach Mathematical Writing (H. M. Doerr, K. Chandler-Olcott, and J. O. Masingila); (18) Multiplication Models (D. Droujkov and M. Droujkova); (19) Quantitative Grids and Cyclic Patterns (D. Droujkov and M. Droujkova); (20) Learners' Influence in Computer Environments (M. Droujkova nd D. Droujkov); (21) Alleviating Obstructions to Learning (D. Easdown); (22) Knowledge and Interpretation of Teachers to the School Content of Proportionality (H. Enriquez Ramirez and E. Jimenez de la Rosa Barrios); (23) Mathematical Flexibility in the Domain of School Trigonometry (C. Fi); (24) "Moving Fluidly among Worlds" (S. Gerofsky); (25) Making Practice Studyable (H. Ghousseini and L. Sleep); (26) Cognitive Roots for the Concept of Asymptote (V. Giraldo, M. Chaves, and E. Belfort); (27) Flemish and Spanish High School Students' Mathematics-Related Beliefs Systems (I. M. Gomez-Chacon, P. Op't Eynde, and E. De Corte); (28) Cube Nets (M.Hejny and D. Jirotkova); (29) From Word Notation of Relations between Constants and Unknown to Algebraic Notation (Pretest) (J. Herman); (30) Mathematics and Community Capacity Building (P. Howard and B. Perry); (31) A Study on the Mathematical Thinking in Learning Process (C.J.-Hsieh and F.-J. Hsieh); (32) A Case Study on Pre-Service Teachers Making Mathematical Model of Voronoi-Diagram (C.-T. Hu and T.-Y. Tso); (33) A Fast-Track Approach to Algebra for Adults (R. Hubbard); (34) The Validity of On-Screen Assessment of Mathematics (S. Hughes); (35) After Using Computer Algebra System, Change of Students' Rationales and Writing (I. K. Kim); (36) Using a Socrates' Method in a Course of Mathematics Education for Future Mathematics Teachers (N. H. Kim); (37) Beyond Visual Level (G. Kospentaris and T. Spirou); (38) Videopapers and Professional Development (T. Lima Costa and H. Nascentes Coelho); (39) Concurrent Calibration Design for Mathematics Learning Progress Investigation (C.-J. Lin, P.-H. Hung, and S. Lin); (40) Further Insights into the Proportion Reasoning and the Ratio Concept (C. Liu, F.-L. Lin, W. Kuo, and I.-L. Hou); (41) Coursework Patterns between Mathematics and Science among Secondary Students (X. Ma); (42) Beginning the Lesson (C. Mesiti and D. Clarke); (43) Development of Web Environment for Lower Secondary School Mathematics Teachers with 3D Dynamic Geometry Software (M. Miyazaki, H. Arai, K. Chino, F. Ogihara, Y. Oguchi, and T. Morozumi); (44) The Effect of the Teacher's Mode of Instruction inside Math Classrooms with a Computer (S. Mochon and M. E. F. Olvera); (45) Mathematics Education in Rural Schools (J. Mousley and G. Marks); (46) Mathematically Gifted Students' Conception of Infinity (G. Na and E. Lee); (47) A Good Moment in Time to Stop "Shying Away from the Nature of Our Subject"? (E. Nardi); (48) Toward Real Change through Virtual Communities (K. T. Nolan); (49) Powerful Ideas, Learning Stories and Early Childhood Mathematics (B. Perry, E.Harley, and S. Dockett); (50) Tracing the Development of Knowledge about Mathematics Teaching (C. Rey-Mas and C. Penalva-Martinez); (51) Preschool Children's Number Sense (L. de C. Ribeiro and A. G. Spinillo); (52) A First Approach to Students' Learning of Mathematical Contents (G. Sanchez-Matamoros and I. Escudero); (53) Young Children's Mathematics Education within a Philosophical Community of Inquiry (A. Sawyer); (54) Learning Mathematics in Austria (H. Schwetz and G. Benke); (55) The Influence of a Mathematician on His Students' Perceptions (A. Sharif-Rasslan); (56) Analysis on the Algebraic Generalization of Some Korean Mathematically Promising Elementary Students (S. Song, J. Yim, Y. Chong, and E. Park); (57) Students' Linguistic Strategies for Shared Authority in Undergraduate Algebra Discussions (S. Staats); (58) Contrasting Decimal Conceptions of Adult and School Students (K. Stacey and V. Steinle); (59) Mathematical Writing and the Development of Understanding (N. Stehlikova); (60) Enhancing Teachers' Professional Development through Developing Teaching Norms Based on Developing Classroom Learning Norms (W.-H. Tsai); (61) The Features in the Process of Mathematical Modeling with Dynamic Geometric Software (T.-Y. Tso); (62) Finding Instructive Characteristics of Picture Books that Support the Learning of Mathematics (S. van den Boogaard and M. van den Heuvel-Panhuizen); (63) High School Course Pathways of High Achieving Girls (P. H. Wilson, G. F. Mojica, K. M. Slaten, and S. B. Berenson); (64) The Developmental Stages of Representations of Simple Regular Space Figures of Elementary School Students (D.-B. Wu, J.-L. Ma, and D.-C. Chen); (65) How to Assess Mathematical Thinking? (S. Yesildere and E. B. Turnuklu); and (66) Lasting Effects of a Professional Development Initiative (S. Zehetmeier). (Individual papers contain references.)

Noting that early childhood development is the foundation for basic education across the life span, the first chapter of this report discusses the benefits of early interventions for individuals and society and justifies the basis for programs which aim at meeting the basic learning needs of young children. It also suggests several questions which each country may consider to make their early childhood care and development activities effective. The next chapter presents a list of eight arguments that make a case for making a heavy investment in programs for early childhood development. Six complementary program approaches that are concerned with the child, family, community, institutions, legal and policy frameworks, and the distribution of knowledge are suggested in the third chapter. The fourth chapter describes programs in Colombia, Nepal, India, Peru and Brazil which represent models ranging from formal schools to home day care and cooperative programs. The advantages and limitations of these center-based approaches are summarized. The advantages and limitations of approaches which educate and support caregivers are presented in chapter 5. Programs ranging from home visiting to the use of communications media and child-to-child programs which reflect this approach and are adopted by Indonesia, China, Jamaica, Thailand, and Chile are described in chapter 5. A research review and summary of the effects of early childhood interventions on progress and performance in primary school is presented in the last chapter along with suggestions for policy and programming. (BAC)

The Association for the Advancement of Computing in Education (AACE) is an international, non-profit educational organization. The Association's purpose is to advance the knowledge, theory, and quality of teaching and learning at all levels with information technology. "EdMedia + Innovate Learning: World Conference on Educational Media and Technology" took place in Amsterdam, The Netherlands, June 25-29, 2018. These proceedings contain 308 papers, including 14 award papers. The award papers cover topics such as Open Education Resources (OER) certification for higher education; a cooperative approach to the challenges of implementing e-assessments; developing an e-learning system for English conversation practice using speech recognition and artificial intelligence; the Learning Experience Technology Usability Design Framework; developing strategies for digital transformation in higher education; pre-service teachers' readiness to use Information and Communication Technology (ICT) in education; teacher development through technology in a short-term study abroad program; Austria's higher education e-learning landscape; a digitised educational application focused on the water cycle in nature carried out in a secondary school in Ireland; evaluative research on virtual and augmented reality for children; how children use computational thinking skills when they solve a problem using the Ozobot; a strategy to connect curricula with the digital world; the learning portfolio in higher education; and adult playfulness in simulation-based healthcare education. [For the 2017 proceedings, see ED605571.]

We are delighted to welcome you to the International Psychological Applications Conference and Trends 2013, taking place in Madrid, Spain, from 26 to 28 of April. Our efforts and active engagement can now be rewarded with these three days of exciting new developments about what we are passionate about: Psychology and its connections. We take pride in having been able to connect and bring together academics, scholars, practitioners and others interested in a field that is fertile in new perspectives, ideas and knowledge. We counted on an extensive variety of contributors and presenters, which can supplement our view of the human essence and behavior, showing the impact of their different personal, academic and cultural experiences. This is, certainly, one of the reasons we have many nationalities and cultures represented, inspiring multi-disciplinary collaborative links, fomenting intellectual encounter and development. InPACT 2013 received over more 338 submissions, from 37 different countries, reviewed by a double-blind process. Submissions were prepared to take form of Oral Presentations, Posters, Virtual Presentations and Workshops. The conference also includes a keynote presentation from an internationally distinguished researcher Prof. Howard S. Schwartz, from Oakland University, U.S.A.. There will be also two Special Talks, one by Michael Wang, Professor of Clinical Psychology in the School of Psychology, College of Medicine, University of Leicester and also Director of the Doctoral Clinical Psychology Training Course at Leicester, UK, and the other by Clara Pracana, founding member of Portuguese Association of Psychoanalysis and Psychoanalytic Psychotherapy, Portugal, to whom we express our most gratitude. This volume is composed by the proceedings of the International Psychological Applications Conference and Trends (InPACT 2013), organized by the World Institute for Advanced Research and Science (W.I.A.R.S.) and co-sponsored by the respected partners we reference in the dedicated page. This conference addressed important topics in four main fields taken from Applied Psychology: Clinical, Educational, Social, Legal and Cognitive and Experimental Psychology. The areas can, of course, be object of discussion, but extended abstracts were presented in 56 topics within these fields of research: (1) Clinical Psychology: Emotions and related psychological processes; Assessment; Psychotherapy and counseling; Addictive behaviors; Eating disorders; Personality disorders; Quality of life and mental health; Communication within relationships; Services of mental health; and Psychopathology. (2) Educational Psychology: Language and cognitive processes; School environment and childhood disorders; Parenting and parenting related processes; Learning and technology; Psychology in schools; Intelligence and creativity; Motivation in classroom; Perspectives on teaching; Assessment and evaluation; and Individual differences in learning. (3) Social Psychology: Cross-cultural dimensions of mental disorders; Employment issues and training; Organizational psychology; Psychology in politics and international issues; Social factors in adolescence and its development; Social anxiety and self-esteem; Immigration and social policy; Self-efficacy and identity development; Parenting and social support; and Addiction and stigmatization. (4) Legal Psychology: Violence and trauma; Mass-media and aggression; Intra-familial violence; Juvenile delinquency; Aggressive behavior in childhood; Internet offending; vi Working with crime perpetrators; Forensic psychology; Violent risk assessment; and Law enforcement and stress. (5) Cognitive and Experimental Psychology: Perception, memory and attention; Decision making and problem-solving; Concept formation, reasoning and judgment; Language processing; Learning skills and education; Cognitive Neuroscience; Computer analogies and information processing (Artificial Intelligence and computer simulations); Social and cultural factors in the cognitive approach; Experimental methods, research and statistics; and Biopsychology. The proceedings contain the results of the research and developments conducted by authors who focused on what they are passionate about: Psychology and its multi-disciplinary connections. It includes an extensive variety of contributors and presenters, who will extend our view of the human psyche and behavior, by sharing with us their different personal, academic and cultural experiences. This is certainly one of the reasons we have so many nationalities and cultures represented, inspiring collaborative links and fostering intellectual encounters. Educational Psychology oral presentations include: (1) Investigation of Primary School Students' Optimism Level and their School Perception (Esra Çalik Var and Selahiddin Ögülmüs); (2) The Effect of Communication Skills-Psychoeducation Program on the Communication Skills of the Police Academy Students (Sevgi Sezer); (3) Working with Shy Adolescents: Effectiveness of Life Skills Group Training (Lancy D'Souza); (4) Transition In Transition Out (TITO): Using Peer Mentoring to Assist Graduating Students Transition Beyond University (Sophia Xenos, Andrea Chester and Lorelle Burton); (5) Personality and Academic Dishonesty: Evidentes from an Exploratory Pilot Study (Dan Florin Stanescu and Elena Madalina Iorga); (6) How to Improve the Writing of Opinion Essays? - The Role of Self-Regulated Strategies Development (Catarina Araújo, Ana Paula Martins and António Osório); (7) Early Intervention and Fragile X Syndrome (Ana Apolónio and Vítor Franco); (8) Chronopsychology Assessment of the Type of Time Organization Applied in Algerian Schools (Louisa Marouf, Rachid Khelfane and François Testu); (9) Perfectionism and School Performance in Children (Lauriane Drolet, Philippe Valois and Jacques Forget); (10) A General Overview on Parental Emotional Socialization Behaviors (Sukran Kilic); (11) Family Unpredictability and Social Support Reported by Families in Early Intervention Programs versus Community Families (Teresa Sousa Machado and Iolanda Correia); (12) Toxic Environment: Outcomes of Parental Methamphetamine Addiction on Child Psychological Health (Comfort B. Asanbe, Charlene Hall and Charles Bolden); (13) Parental Involvement and Inclusive Contexts (Sara Alexandre Felizardo and Esperança Jales Ribeiro); (14) The Effect of Group Counseling Experiences to Counselor Trainees' Group Leadership Characteristics (Bahar Mete Otlu); (15) The Role of Big Ideas in Technology-Mediated Curricula (Theodore R. Prawat and Richard S. Prawat); (16) Cognitive Features of Students with Different Level of Research Potential and Success in Learning (Nina Bordovskaia); (17) Associations of Unhealthy Behaviors and Depressive Symptoms with School Difficulties and Role of Socioeconomic Factors in Early Adolescence (Kénora Chau, Michèle Baumann, Jean-Charles Vauthier, Bernard Kabuth and Nearkasen Chau); and (18) Expanding Borders: Teachers Motivation (Claus Dieter Stobäus, Juan Mosquera and Bettina Steren dos Santos). Educational Psychology poster presentations include: (1) Peruvian Teachers' Perceptions about Autism and Implications for Educational Practice (Joyce Echegaray-Bengoa and Manuel Soriano-Ferrer); (2) Giftedness: Peruvian Teachers' Perception (Joyce Echegaray-Bengoa and Manuel Soriano-Ferrer); (3) Work Satisfaction and Social Well-Being of Teachers according to Headmasters' Support and Teachers' Personality Traits (Anna Janovská, Olga Orosová and Beata Gajdošová); (4) Early Intervention in Childhood: Study on the Evaluation of the Satisfaction of Families (Esperança Jales Ribeiro, Sandra Gonçalves and Sara Alexandre Felizardo); (5) Socio-Emotional Competences in Portuguese Youngsters: Developing of Assessment Tools for Parents (Heldemerina Pires, Adelinda Candeias, Nicole Rebelo, Diana Varelas and António M. Diniz); (6) The SET GAME® and its Cognitive Aspects (Sandreilane Cano da Silva and Lino de Macedo); (7) Teachers' Notions about Types of Communicative Behavior and Levels of Communicative Culture (Galina Glotova and Angelika Wilhelm); and (8) Reading Comprehension Difficulties - Comparison of Poor and Good Comprehenders using Neuropsychological Tasks (Helena Vellinho Corso, Tânia Mara Sperb and Jerusa Fumagalli de Salles). Author index is included. (Individual papers contain references.) [Abstract modified to meet ERIC guidelines.]

The Association for the Advancement of Computing in Education (AACE) is an international, non-profit educational organization. The Association's purpose is to advance the knowledge, theory, and quality of teaching and learning at all levels with information technology. "EdMedia + Innovate Learning" took place in Amsterdam, The Netherlands, June 24-28, 2019. Thirteen award papers focus on the following topics: interactive modules as a digital support for students in the introductory phase of civil engineering studies in Germany; smartglasses as assistive tools in higher science education in Germany; the impact of intentionally designed student learning in environments on student participation; how students' digital media behavior and self-efficacy relate to academic achievement in Germany; cross-linking recitation sessions and physics lectures using eXperiment-based video-analysis tasks in Germany; OER and flipped classrooms; mapping support strategies for pre-service teachers' ICT integration in Finland; a pedagogical framework for mixed reality classrooms; international computer supported collaborative learning-projects in education in The Netherlands; developing social capital among learners in collaborative learning; persistent learners' insight into serial MOOC participation in Ireland; using m-learning in a technology-enhanced bachelor course in the Netherlands; and the price of student reading lists. [For the 2018 proceedings, see ED606952.]

Existing theories of change in campaign strategies predict cross-national convergence in terms of candidates' linkages to voters and the degree of policy focus and cleavage priming in their appeals. However, the prevailing national patterns of electioneering in Chile, Brazil, and Peru have actually diverged from one another since their transitions from authoritarian rule. This paper develops a theory of success contagion that can explain the evolution of presidential campaign strategy in these countries as well as other third-wave democracies. I argue that the first politician to combine a victorious campaign with a successful term as president establishes a model of electioneering that candidates across the ideological spectrum are likely to adopt in the future. Such contagion can occur through imitation as well as the consolidation of norms among campaign professionals. Strategic convergence is less probable in cases of repeatedly poor governing performance, such as Peru. Instead, candidates are likely to choose strategies through an inward-oriented process of reacting against previous errors. This paper draws upon content analysis of television advertising, interviews with campaign staff, and case studies of specific elections in Chile, Brazil, and Peru. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]

Brazil (1964-1985) and Peru (1992-2000) maintained a uniqueness in Latin America in terms of the structuring of authoritarian regimes which allowed the presence of formal institutions of democracy (political parties, legislative, electoral system), however The process of finalizing the authoritarian differed in that the processes that defined the nature of the political transition, were characterized by the extensive and predictable political transition in Brazil, in contrast to the swift and precipitous political transition in Peru. .x000d..x000d.In that sense, this essay aims to contribute to the understanding of the role that developed the legislative institution in the process of political transition in Peru (1995 - 2001) and in the political transition in Brazil (1974 - 1990), from where a comparative analysis highlights the influence of political institutions, placing greater emphasis on the centrality with which the legislature, in a joint, tensions, progress, and restrictions under the rules of authoritarianism preserved, contributed to defining the nature of the transition and in the process of democratic consolidation. ..PAT.-Unpublished Manuscript [ABSTRACT FROM AUTHOR]