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The purpose of this single-case study was to describe a goal-directed self-talk (ST) intervention with an elite athlete. The participant was a 36-year-old elite orienteerer, who declared himself to be continuously engaged in some sort of autonomous self-dialogue. During six sessions, we undertook an intervention which started with identifying variety of relevant problematic sport situations and goal-directed ST in them. Subsequently, through questioning, the original ST was challenged and alternative instructions were theoretically examined before putting them into practice. The participant valued highly the intervention process and its outcomes. Overall, the study provides preliminary evidence on the effectiveness of goal-directed ST interventions and encourages research to further explore their potential.

Purpose: Change of direction while dribbling appears to be of interest for on-court performance in basketball. The study aim was to assess the validity and reliability of the V-cut dribbling test (VcutBk) in young basketball players. Methods: Ninety-two young basketball players from 8 to 21 years old (74% male) were classified in relation to peak height velocity (PHV) offset. To examine validity and test–retest reliability, VcutBk was performed in 2 identical sessions separated by 1 week. Participants also performed the V-cut test and linear sprint test with and without dribbling to analyze correlations between tests in different somatic maturity stages. Results: The relationships of the VcutBk with the other tests and skill-time-related deficits were interpreted from large (r > .51) to very large (r > .71). The comparisons between pre-PHV and post-PHV groups of basketball players showed significant and large effect in the VcutBk (d = 2.04; mean difference = 2.59; 95% CI, 1.86 to 3.32). Also, significant main effects when comparing PHV groups were reported in all skill-time-related deficits (P < .001, ${\eta }_{\mathrm{p}}^2=.13-.28$ , moderate to large effect size). Test–retest reliability and signal-to-noise ratio analysis did not show substantial between-trials differences in VcutBk. Reliability scores showed high intraclass correlation coefficient (.95) and low coefficient of variation (0.23%). Conclusions: The VcutBk seems to be a valid and reliable test to assess change of direction while dribbling. VcutBk performance and skill-time-related deficits seem to be sensitive to somatic maturity. Basketball coaches should consider the VcutBk to assess young basketball players.