Relative age effects in sport Facilitation of self-regulation and self-determination Psychology of aging and physical activity Masters athletes and lifetime commitment to sport Quantitative research methods and statistics Measurement and assessment

Ha, AS., Burnett, A., Sum, R., Medic, N., Ng, JY., (2015), Outcomes of the rope skipping 'STAR' programme for schoolchildren. Journal of Human Kinetics, 45(1), 233-240, DOI: 10.1515/hukin-2015-0024. Grove, JR., Zillic, I., Medic, N., (2014), A process-oriented measure of habit strength for moderate-to-vigorous physical activity. Health Psychology and Behavioural Medicine, 2(1), 379?389, DOI: 10.1080/21642850.2014.896743. Young, B., De Jong, G., Medic, N., (2014), Examining Relationships Between Passion Types, Conflict and Negative Outcomes in Masters Athletes. International Journal of Sport and Exercise Psychology, Article in press(Article in press), 1-18, DOI: 10.1080/1612197X.2014.932822. Medic, N., Young, B., Grove, JR., (2013), Perceptions of five-year competitive categories: Model of how relative age influences competitiveness in Masters sport. Journal of Sports Science and Medicine, 12(4), 724-729, Turkey. Cheong, J., Lay, B., Grove, JR., Medic, N., Razman, R., (2012), Practicing field hockey skills along the contextual interference continuum: A comparison of five practice schedules. Journal of Sports Science and Medicine, 11(2), 304-311. Medic, N., Young, B., Starkes, J., Weir, P., (2012), Relationship between having a coach and masters athletes? motivational regulations for sport and achievement goal orientations. International Journal of Coaching Science, 6(1), 65-79, Korea. Wigglesworth, J., Young, B., Medic, N., Grove, JR., (2012), Examining gender differences in the determinants of masters swimmers? sport commitment. International Journal of Sport and Exercise Psychology, 10(3), 236-250. Medic, N., Young, BW., Medic, D., (2011), Participation-related relative age effects in Masters swimming: A 6-year retrospective longitudinal analysis. Journal of Sports Sciences, 29(1), 29-36, London, DOI: 10.1080/02640414.2010.520726. Young, BW., Medic, N., (2011), Examining social influences on the sport commitment of Masters swimmers. Psychology of Sport and Exercise, 12(2), 168-175, DOI: 10.1016/j.psychsport.2010.09.004. Elferink-Gemser, M., Starkes, J., Medic, N., Lemmink, K., Visscher, C., (2011), What discriminates elite and sub-elite youth field hockey players?. Annals of Research in Sport and Physical Activity, 1(1), 30-46. Young, BW., Piamonte, ME., Grove, JR., Medic, N., (2011), A longitudinal study of masters swimmers' commitment. International Journal of Sport Psychology, 42(5), 436-460.