World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
31
Citations
4647
World Ranking
11156
National Ranking
17

Best Publications

  • Development and Initial Validation of a Measure of Autonomy, Competence, and Relatedness in Exercise: The Basic Psychological Needs in Exercise Scale.

    Symeon P. Vlachopoulos;Sotiria Michailidou

  • Motivation Profiles in Sport: A Self-Determination Theory Perspective

    Symeon P. Vlachopoulos;Costas I. Karageorghis;Peter C. Terry

  • Ankle sprain injuries and risk factors in amateur soccer players during a 2-year period.

    Nikolaos D. Kofotolis;Eleftherios Kellis;Symeon P. Vlachopoulos

  • Beware of your teaching style: A school-year long investigation of controlling teaching and student motivational experiences

    Kimberley J. Bartholomew;Nikos Ntoumanis;Athanasios Mouratidis;Ermioni Katartzi

  • The basic psychological needs in exercise scale: Translation and evidence for cross‐cultural validity

    Symeon P. Vlachopoulos;Nikos Ntoumanis;Alison L. Smith

  • The relationship of self-determination theory variables to exercise identity

    Symeon P. Vlachopoulos;Maria Kaperoni;Frederiki C. Moustaka

  • The Basic Psychological Needs in Physical Education Scale

    Symeon P. Vlachopoulos;Ermioni S. Katartzi;Maria G. Kontou

  • Effects of an autonomy-supportive exercise instructing style on exercise motivation, psychological well-being, and exercise attendance in middle-age women.

    Frederiki C. Moustaka;Symeon P. Vlachopoulos;Chris Kabitsis;Yannis Theodorakis

  • Cross-cultural invariance of the basic psychological needs in exercise scale and need satisfaction latent mean differences among Greek, Spanish, Portuguese and Turkish samples

    Symeon P. Vlachopoulos;F. Hulya Asci;Luís Cid;Gozde Ersoz

  • The revised perceived locus of causality in physical education scale: Psychometric evaluation among youth

    Symeon P. Vlachopoulos;Ermioni S. Katartzi;Maria G. Kontou;Frederiki C. Moustaka

  • Modeling the relation of goal orientations to achievement-related affect in physical education: Does perceived ability matter?

    Symeon Vlachopoulos;Stuart J.H. Biddle

  • Initial validity evidence for the behavioral regulation in exercise questionnaire-2 among Greek exercise participants.

    Frederiki C. Moustaka;Symeon P. Vlachopoulos;Spyridoula Vazou;Maria Kaperoni

  • Motives for exercise participation as predictors of exercise dependence among endurance athletes.

    M. Hamer;C. I. Karageorghis;Symeon Vlachopoulos

  • Hierarchical confirmatory factor analysis of the Flow State Scale in exercise

    Symeon P. Vlachopoulos;Costas I. Karageorghis;Peter C. Terry

  • A Social-Cognitive Investigation into the Mechanisms of Affect Generation in Children’s Physical Activity

    Symeon Vlachopoulos;Stuart Biddle;Kenneth Fox

  • The Basic Psychological Needs in Exercise Scale: Measurement Invariance over Gender.

    Symeon P. Vlachopoulos

  • Experimental longitudinal test of the influence of autonomy-supportive teaching on motivation for participation in elementary school physical education

    Elisavet T. Leptokaridou;Symeon P. Vlachopoulos;Athanasios G. Papaioannou

  • Interaction of external, introjected, and identified regulation with intrinsic motivation in exercise: Relationships with exercise enjoyment

    Symeon P. Vlachopoulos;Costas I. Karageorghis

  • Towards an understanding of children's motivation for physical activity: Achievement goal orientations, beliefs about sport success, and sport emotion in zimbabwean children

    Stuart Biddle;Adebowale Akande;Symeon Vlachopoulos;Kenneth Fox

  • Measurement of Metacognitive Knowledge of Self, Task, and Strategies in Mathematics

    Anastasia Efklides;Symeon P. Vlachopoulos

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