Amir Shariati, Jamal F. Kalkhoran


Aim: self-talk (self-expression, automatic thought, inner speech) is one of the cognitive methods which improve performance. The aim of the present study was to investigate instructional and motivational self-talk on warm-up decrement in volleyball serving skill.

Methodology: The statistical population of the study consisted of all volleyball players in Qom province that had the record of participation in national championships. For this purpose, 36 subjects were randomly selected and volunteered to participate in this study.

Findings: These results showed that different types of self-talk (instructional and motivational) improved performance and decreased warm-up decrement


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instructional and motivational self-talk, warm-up decrement, volleyball serving


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