EFFECTS OF CONTEXTUAL INTERFERENCE AND PRACTICE VARIABILITY ON PERFORMANCE AND LEARNING OF BASKETBALL SHOOT SKILL

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BEHZADI H.; HEIRANI A.; KHAZAIE A.A.; HEZOLLESAN M.

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Journal: JOURNAL OF SPORT BIOSCIENCE RESEARCHES Year:2011 | Volume:1 | Issue:1 Page(s): 19-30

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Title

EFFECTS OF CONTEXTUAL INTERFERENCE AND PRACTICE VARIABILITY ON PERFORMANCE AND LEARNING OF BASKETBALL SHOOT SKILL

Author(s)

BEHZADI H. | HEIRANI A. | KHAZAIE A.A. | HEZOLLESAN M. | Issue Writer Certificate

Keywords

CONTEXTUAL INTERFERENCE EFFECTQ3

GENERALIZED MOTOR PROGRAM (GMP)Q3

PRACTICE VARIABILITYQ3

BLOCKED VARIABLE TRAININGQ3

RANDOM VARIABLE TRAININGQ2

CONSTANT TRAININGQ3

Abstract

The purpose of this study was to examine the contextual interference and PRACTICE VARIABILITY’s effect on performing and learning of free basketball throw from six positions with varying distance (1.5, 3.5, 5, 4.5, 3, 4 meter) and angle to the basket. On first day, subjects (n=30) performed pretests under blocked conditions from positions 3, 4.5, and 5 meters. The pretest consisted of 15 trials, 5 from each position. Scores from the pretest become the basis for assigning participants to one of three practice schedules: constant, blocked variable, and random variable. 2th to 4th days comprised the practice phase during which each participant performed 36 trials per day, 6 from each position, in accordance with their practice schedules assignment so that blocked variable condition performed six successive trials from each position. Those practicing under constant variable performed 36 successive trials at 4.5 meter location and third condition was random variable, which involved performing one trial per position in a serial arrangement and repeating the sequence six times. On day 5, learning was assessed through three counterbalanced retention testes: (1) a 12-trial blocked test from positions 3, 4.5 and 5 meters, (2) a 12-trial constant test from 4.5 meter positions, and (3) a 12-trial free-throw test performed separated by brief intervals. Factorial analysis of variance with repeated measures on training sessions and block indicated significant improvements by training sessions and among groups. Factorial analysis of variance with repeated measures on retention testes and block revealed that there were significant differences among groups on retention tests. Based on the findings of the present study, effects of contextual interference in learning of basketball shot skill was found. These findings suggest that variable random practice could be effectively used in learning of basketball shot skill by skilled persons.

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APA: Copy

BEHZADI, H., HEIRANI, A., KHAZAIE, A.A., & HEZOLLESAN, M.. (2011). EFFECTS OF CONTEXTUAL INTERFERENCE AND PRACTICE VARIABILITY ON PERFORMANCE AND LEARNING OF BASKETBALL SHOOT SKILL. JOURNAL OF SPORT BIOSCIENCE RESEARCHES, 1(1), 19-30. SID. https://sid.ir/paper/240471/en

Vancouver: Copy

BEHZADI H., HEIRANI A., KHAZAIE A.A., HEZOLLESAN M.. EFFECTS OF CONTEXTUAL INTERFERENCE AND PRACTICE VARIABILITY ON PERFORMANCE AND LEARNING OF BASKETBALL SHOOT SKILL. JOURNAL OF SPORT BIOSCIENCE RESEARCHES[Internet]. 2011;1(1):19-30. Available from: https://sid.ir/paper/240471/en

IEEE: Copy

H. BEHZADI, A. HEIRANI, A.A. KHAZAIE, and M. HEZOLLESAN, “EFFECTS OF CONTEXTUAL INTERFERENCE AND PRACTICE VARIABILITY ON PERFORMANCE AND LEARNING OF BASKETBALL SHOOT SKILL,” JOURNAL OF SPORT BIOSCIENCE RESEARCHES, vol. 1, no. 1, pp. 19–30, 2011, [Online]. Available: https://sid.ir/paper/240471/en

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