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We examined the influence of individual and contextual characteristics on student-athlete identities and then explored identity variations across the undergraduate college years. Our main analysis relied on a quantitative study of a large sample of cross-sectional data (n = 862: females = 490, males = 372) with follow-up data for 102 participants. We also used qualitative semi-structured interviews within a small sub-sample (n = 4) who participated in international competitions to provide deeper insight into their identities across time. We used the Portuguese version of the Baller Identity Measurement Scale (BIMS) to explore student-athlete identities, and we examined the influence of sex, student-athlete status (based on institution documents), the participant's competitive level in the sport, and the student athlete's university type. We modelled response probability on BIMS items with multilevel ordinal regression in a cumulative model based on the Bayesian framework. For the follow-up in-depth qualitative interviews of four participants competing at the international level, we used thematic analysis, with two independent researchers generating thematic codes. We found a non-significant trend toward a decreased student-athlete identity across the undergraduate years. Participants' statements reflected their difficulty combining both aspects of the student-athlete identity, such that they tried to shift their identities, depending on the circumstances, while their athletic identity seemed to be privileged. Hence, participants had difficulty combining a dual academic-sport career within a context oriented toward academic achievement and transition to professional life. The higher education context was unprepared to support student-athletes toward a dual academic-sport career. [ABSTRACT FROM AUTHOR]

We examined whether participation and individual performance in the under-18 Euroleague Next Generation Tournament (NGT) predicted a future contract with an NBA, Euroleague, or Eurocup squad. Data from 1446 players between 2002–2003 and 2011–2012 seasons were considered. We considered information about each player, including country, the number of games played, and performance index rating (PIR). We tracked the players' highest club level attained in their adult careers. We used a multilevel ordinal regression with a cumulative model in a fully Bayesian framework to examine the probability of the players playing in the NGT attaining the NBA, Euroleague, or Eurocup. Furthermore, we explored in the model if PIR in the NGT was a relevant predictor of achieving the highest club level in adult careers. From the total sample, only a very small percentage attain the NBA (20 in 1446, 1.4%), Euroleague (103 in 1446, 7.2%), and Eurocup (60 in 1446, 4.2%). The results highlight that a very small number of players with a very high PIR per game in the NGT had a higher chance to play in the NBA, Euroleague, or Eurocup. The probability of attainment of NBA and Euroleague for the population of highly selected basketball players playing the under-18 NGT in the first 10 years of the NGT was small. Hence, caution is warranted when assuming the effectiveness of current talent development models, even at the late stages of young players' development, often labelled as young elite players. [ABSTRACT FROM AUTHOR]

This study examined the variation of student-athletes' identity and motivation across Portuguese and Brazilian universities, accounting for variation in gender, student-athletes' training hours per week, sports level, student-athletes status within each university, and university type. We initially established the validity of the Baller Identity Measurement Scale questionnaire and the Student-Athletes' Motivation toward Sports and Academics Questionnaire-based observations among 441 Brazilian and Portuguese student-athletes. Then, the validated version of the questionnaires was applied to a total sample of 765 student-athletes from Brazil (n= 568) and Portugal (n = 197). We further considered individual (hours of training and student-athlete status) and contextual characteristics (university type and country). Multilevel regression and poststratification were used to estimate each student-athlete identity and motivation as a function of his or her individual and contextual characteristics. Overall, the predictions showed that cultural (country), academic (type of university), and athletic (training hours) context likely have a substantial influence on student-athletes' identity and motivation. [ABSTRACT FROM AUTHOR]

This research adapted the Group Conflict Questionnaire (GCQ) into Portuguese and provided evidence for its construct validity. Study 1 included four translators and five academics who developed a Portuguese version of the GCQ (P-GCQ). In this phase, we provided evidence for content and construct validity for the scale and for each item using an expert panel in a pilot study with 20 youth athletes. Study 2 included two participant samples (Sample 1, n = 254; Sample 2, n = 351) of Brazilian youth and adult athletes who completed the adapted P-GCQ, providing evidence for the structural aspect of its construct validity via factor analyses. Study 3 included 162 Brazilian athletes who completed the P-GCQ and a measure of team cohesion, from which we provided further evidence of the P-GCQ's internal and external construct validity, showing that both task and social cohesion were negatively associated with the athletes' perceptions of group conflict. Overall, we found that the P-GCQ produces valid and reliable scores for Portuguese-speaking athletes; it may now be used confidently by researchers and practitioners interested in assessing group conflict within this population. [ABSTRACT FROM AUTHOR]

We considered identity variation among Brazilian university student-athletes in relation to their gender, sport type, competition level, and university type. Participants were 506 student-athletes (219 males and 287 females) from public and private Brazilian universities, competing in team and individual sports, at local, state, and national levels. We used multilevel regression and poststratification to estimate each participant's identity from the aforementioned variables. Gender and sport type were not associated with any substantial identify variation, but there were higher values on Baller Identity Measurement Scale dimensions for student-athletes from public versus private universities, and student-athletes competing at the highest level had lower Baller Identity Measurement Scale values compared to peers competing at lower levels. Overall, university type and sport competitive level were the contextual factors that most influenced Brazilian student-athletes' identities. [ABSTRACT FROM AUTHOR]

In the present study we examined the age- and maturity-associated variation on body size and functional capacities in 47 adolescent female basketball players. Also, we examined the relative contribution of growth and maturity status to functional capacity between player variation. Data included chronological age, age at menarche, years of training experience; body dimensions; countermovement jump, Line drill test and Yo-Yo intermittent recovery test – level 1. Bayesian multilevel modelling was used to estimate the independent effects of age, maturity status, years of training experience and body size on functional capacity indicators. Players were, on average, advanced in maturity status, with a mean age at menarche of 11.20 years (1.32 years). Age-associated variation in age at menarche, body size and functional performance was present. No substantial maturity-associated variation was observed for stature and functional capacities, but late maturing players appeared to be less experienced in the sport. Variance partition coefficients ranged between 38% and 45% for the three indicators of functional capacities. Body mass and adiposity were the predictors identified for all indicators of performance. Maturity status and years of experience were predictors of performance in the countermovement jump while age and years of experience were predictors of performance for the Line drill. Stature was only identified as a predictor of the Yo-Yo intermittent recovery – level 1. Coaches should interpret functional performance in adolescent female basketball players considering their different ages (chronological, biological and accumulated training) and their influence on body dimensions. [ABSTRACT FROM AUTHOR]

This study examined the effects of a 48-week exercise-based intervention on the metabolic profile, autism traits, and perceived quality of life in children with autism spectrum disorder (ASD). We randomly allocated 64 children with ASD (aged 6–12 years) to experimental (n = 46) and control groups (n = 18) and used multilevel regression modeling to examine responses to receiving or not receiving the intervention. The experimental group showed beneficial effects on metabolic indicators (high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and total cholesterol), autism traits, and parent-perceived quality of life. Our results provide support for exercise and physical activity, including basic coordination and strength exercises, as important therapeutic interventions for children with ASD. [ABSTRACT FROM AUTHOR]

Youth sporting activities have been explored as a way to impact positive personal transformation and development, glaringly demonstrated by world-wide investments in public policies, programs, and projects. We studied positive effects of participation in sports on the developmental assets of 614 adolescents (13.1 ± 1.7 years) actively engaged in extracurricular sport programs targeted at socially disadvantaged youths, from five municipalities across five states of the southern, south-eastern and north-eastern regions of Brazil. Participants responded to a developmental assets question-naire designed to capture sociodemographic and human development data. Multilevel logistic regression was used to explore associations between years of participation in sport and human development indicators, controlling for age and sex. Our results showed that the quality of the young people's support network and duration of program participation positively influenced sport participation, which, in turn, was associated with willingness to learn. A strong association was also observed between sport participation and developmental assets. Thus, we offer new evidence of a relationship between positive development and environmental factors in which individual and contextual forces can be aligned, and we provide new reference data for developing countries. [ABSTRACT FROM AUTHOR]

The present study examined extracurricular sport participation variables and developmental context in relationship to perceived self-efficacy among underserved adolescents. Participants (n = 821, 13.6 ± 1.5 years) completed the Youth Experience in Sport questionnaire and General Self-Efficacy Scale. We used the Human Development Index (HDI) to characterize developmental contexts. Multilevel regression models were used to explore the relative contributions of age, sex, years of participation in extracurricular sport, HDI, and perceived positive experience in sport. Our results highlight that positive experience alone and in interaction with length of participation in the program fostered perceived self-efficacy. Participants from higher HDI contexts remained longer in the program. An implication of our research is that variables linked to positive sport experiences and perceived self-efficacy can be used as markers to evaluate the outcomes and impact of sport participation programs aimed at promoting positive youth development. [ABSTRACT FROM AUTHOR]