Browsing by Author "Perkos, S."
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Being superstitious in sports: Effect of superstitious beliefs on athletes' cognitive and affective responses
Barkoukis, V.; Perkos, S.; Kokkinopoulos, S. (2011)Superstition can be defined as a person's unrealistic perception of control over behavioral outcomes in different situations. Although it is assumed that superstitious beliefs may help athletes prepare for a competition, ... -
The Contribution of Stretch-Shortening Cycle and Arm-Swing to Vertical Jumping Performance in Children, Adolescents, and Adult Basketball Players
Gerodimos, V.; Zafeiridis, A.; Perkos, S.; Dipla, K.; Manou, V.; Kellis, S. (2008)This study examined from childhood to adulthood: (1) the effects of countermovement (use of stretch-shortening cycle-SSC) and arm-swing (AS) on vertical jumping (W) performance and (2) the ability to use the SSC and AS ... -
Enhancing performance and skill acquisition in novice basketball players with instructional self-talk
Perkos, S.; Theodorakis, Y.; Chroni, S. (2002)This study examined the effectiveness of instructional self-talk on acquiring and performing three basketball skills (dribbling, passing, and shooting). Sixty-two young, novice players were organized into two groups. The ... -
SPORT ORIENTATION AND ATHLETIC IDENTITY OF GREEK WHEELCHAIR BASKETBALL PLAYERS
Kokaridas, D.; Perkos, S.; Harbalis, T.; Koltsidas, E. (2009)The purpose of this study was to examine sport orientation and athletic identity of Greek wheelchair basketball players. The sample consisted of 50 male wheelchair basketball players all coming from different teams ... -
Superstitious beliefs as moderators in the achievement goals: competitive anxiety relationship
Barkoukis, V.; Perkos, S.; Kokkinopoulos, S.; Rossios, C. (2012)The aim of this study was to investigate the effect of the four achievement goals proposed by the 2 x 2 achievement goal approach on the formation of competitive trait anxiety and the moderating role of superstitious ... -
Verbal aggression in basketball: Perceived coach use and athlete intrinsic and extrinsic motivation
Bekiari, A.; Perkos, S.; Gerodimos, V. (2015)The purpose of this study was to examine how coaches’ verbal aggressiveness, as perceived by the athletes of basketball team sport, is related to athletes’ intrinsic-extrinsic motivation. One hundred eighty basketball ... -
Vertical jumping ability in elite young soccer players
Gerodimos, V.; Manou, V.; Ioakimidis, P.; Perkos, S.; Kellis, S. (2006)The jumping ability of a soccer player, as an expression of power, is a basic factor for good performance in the specific sport. The purpose of the present study was to measure and evaluate the power of the leg extensors ...