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  • Author: Alexandre J.S. Morin x
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Christophe Maïano, Grégory Ninot, Alexandre J.S. Morin and Jean Bilard

The purpose of this study was to examine the long-term effects of sport participation on the basketball skills and physical self-concept of adolescents with conduct disorders (CD). Participants were 24 adolescent males with CD, divided equally into three groups: (a) interestablishment basketball (IEBB), (b) integrated scholastic basketball (ISBB), and (c) control—adapted physical activity (APA). The basketball skills tests and physical self-concept were both administrated 4 times over an 18-month period. Results indicated (a) an improvement in basketball skills in both competitive groups (i.e., ISBB, IEBB), (b) a significant curvilinear trend of physical self-worth scale in the three groups, and (c) no significant changes in physical self-concept in the three groups (i.e., ISBB, IEBB, and APA). In conclusion, the integrated and segregated competitive programs did not represent an effective means for improving the physical self-concept of adolescents with CD.

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Herbert W. Marsh, Alexandre J.S. Morin and Philip D. Parker

Elite athletes and nonathletes (N = 1,268) attending the same selective sport high school (4 high school age cohorts, grades 7–10, mean ages varying from 10.9 to 14.1) completed the same physical self-concept instrument 4 times over a 2-year period (multiple waves). We introduce a latent cohort-sequence analysis that provides a stronger basis for assessing developmental stability/change than either cross-sectional (multicohort, single occasion) or longitudinal (single-cohort, multiple occasion) designs, allowing us to evaluate latent means across 10 waves spanning a 5-year period (grades 7–11), although each participant contributed data for only 4 waves, spanning 2 of the 5 years. Consistent with the frame-of-reference effects embodied in the big-fish-little-pond effect (BFLPE), physical self-concepts at the start of high school were much higher for elite athletes than for nonathlete classmates, but the differences declined over time so that by the end of high school there were no differences in the 2 groups. Gender differences in favor of males had a negative linear and quadratic trajectory over time, but the consistently smaller gender differences for athletes than for nonathletes did not vary with time.

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John C.K. Wang, Alexandre J.S. Morin, Richard M. Ryan and W.C. Liu

The purpose of the current study is to test the self-determination theory (SDT) continuum hypothesis of motivation using latent profile analysis (LPA). A total of 3,220 school students took part in the study. We compared LPA solutions estimated using the four motivation types versus the two higher-order dimensions to assess their degree of correspondence to the SDT continuum hypothesis. To examine the concurrent validity of the profiles, we also verified their associations with three predictors (age, gender, perception of physical education teachers’ autonomy-supportive behaviors) and two outcomes variables (perceived competence and intentions to be physically active). The results showed that profiling using the four motivation types provides more differentiated and meaningful description of responses to the Perceived Locus of Causality Scale, compared with profiling using two higher-order factors. In general, the results of the current study were consistent with the SDT continuum hypothesis of human motivation.

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Kelly Barcza-Renner, Robert C. Eklund, Alexandre J.S. Morin and Christine M. Habeeb

This investigation sought to replicate and extend earlier studies of athlete burnout by examining athlete-perceived controlling coaching behaviors and athlete perfectionism variables as, respectively, environmental and dispositional antecedents of athlete motivation and burnout. Data obtained from NCAA Division I swimmers (n = 487) within 3 weeks of conference championship meets were analyzed for this report. Significant indirect effects were observed between controlling coaching behaviors and burnout through athlete perfectionism (i.e., socially prescribed, self-oriented) and motivation (i.e., autonomous, amotivation). Controlling coaching behaviors predicted athlete perfectionism. In turn, self-oriented perfectionism was positively associated with autonomous motivation and negatively associated with amotivation, while socially prescribed perfectionism was negatively associated with autonomous motivation and positively associated with controlled motivation and amotivation. Autonomous motivation and amotivation, in turn, predicted athlete burnout in expected directions. These findings implicate controlling coaching behaviors as potentially contributing to athlete perfectionism, shaping athlete motivational regulations, and possibly increasing athlete burnout.

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Nathanial J. Kapsal, Theresa Dicke, Alexandre J.S. Morin, Diego Vasconcellos, Christophe Maïano, Jane Lee and Chris Lonsdale

Background: The physical and psychosocial benefits of physical activity for typically developing youth are well established; however, its impact on youth with intellectual disabilities is not as well understood. The aims of this review and meta-analysis were to synthesize the literature and quantify the effects of physical activity on the physical and psychosocial health of youth with intellectual disabilities. Method: Studies meeting the inclusion criteria were grouped by their focus on physical health and/or psychosocial health outcomes. Meta-analyses were performed using 3-level, random effects and mixed effects models. Results: One hundred nine studies met the inclusion criteria. Physical activity had a large effect on physical health (g = 0.773, P < .001) and a moderately large effect (g = 0.682, P < .001) on psychosocial health. Participant age, intellectual disability level, other developmental disabilities, outcome type, and intervention type moderated the effects of physical activity on physical health, whereas study design, risk of bias, other developmental disabilities, outcome type, and intervention type were moderators on psychosocial health. Conclusions: Physical activity has positive effects on the physical and psychosocial health of youth with intellectual disabilities. Although resistance training shows the most physical benefits, teaching movement and sports skills appear to benefit their physical and psychosocial health.

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Alex C. Garn, Alexandre J.S. Morin, Jeffrey Martin, Erin Centeio, Bo Shen, Noel Kulik, Cheryl Somers and Nate McCaughtry

This study investigated a reciprocal effects model (REM) of children’s body fat self-concept and physical self-concept, and objectively measured school physical activity at different intensities. Grade four students (N = 376; M age = 9.07, SD = .61; 55% boys) from the midwest region of the United States completed measures of physical self-concept and body fat self-concept, and wore accelerometers for three consecutive school days at the beginning and end of one school year. Findings from structural equation modeling analyses did not support reciprocal effects. However, children’s body fat self-concept predicted future physical self-concept and moderate-to-vigorous physical activity (MVPA). Multigroup analyses explored the moderating role of weight status, sex, ethnicity, and sex*ethnicity within the REM. Findings supported invariance, suggesting that the observed relations were generalizable for these children across demographic groups. Links between body fat self-concept and future physical self-concept and MVPA highlight self-enhancing effects that can promote children’s health and well-being.