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The aim of the present study was to investigate the effect of focus of attention (external, internal) on peripheral transfer of basketball dribbling.. In this study, 60 elementary school students with age(11.7±4) were randomly divided into four groups. Considering the attentional-focus instruction, they performed basketball dribbling with their dominant and non-dominant hands (with regard to their group) for eight weeks (31 sessions). The results showed that the instruction of interlimb transfer was carried out in both external and internal focus of attention by both dominant and non-dominant hands. Also, external focus of attention significantly facilitated interlimb transfer more than internal focus of attention (P≥0.05). [ABSTRACT FROM AUTHOR]

The aim of the current study was to investigate the acquisition of three volleyball skills in three practice conditions (blocked, random and serial) to reveal their effects in three phases of acquisition, retention and transfer. 60 amateur male university students from university of Tehran(Iran) (mean age = 21.5 years, SD = 1.2) were voluntarily selected and randomly assigned to three practice groups: blocked, random and serial. A pretest was used to match the subjects. In the acquisition phase, the subjects of each group practiced three skills of forearm pass, set and overhead serve with 378 trials for 9 sessions. In three sessions in the practice phase, 45 acquisition tests were completed. 48 and 72 hours after the last session, subjects participated respectively in 15 retention and transfer tests. Analysis of variance (ANOVA) and TUKEY post hoc test were used to analyze data, to compare the means of pretest and tests of acquisition, retention and transfer phases of the three practice conditions. The results revealed a significant difference (p<0.001) in retention and transfer phases between random (with more interference) and serial (with moderate interference) practice methods with the blocked method (with lower interference) in all three skills. In the acquisition phase, blocked group had higher interference (p<0.001). There was no significant difference between random and serial methods in acquisition, retention and transfer phases. [ABSTRACT FROM AUTHOR]