Purpose: To determine the effect of different practice methods on acquisition and retention Scenario: An AAU basketball coach comes to you and wants you to evaluate some data he has collected:

Purpose: To determine the effect of different practice methods on acquisition and retention

Scenario: An AAU basketball coach comes to you and wants you to evaluate some data

he has collected:

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1. He had read an article saying that shooting 2 free throws at a time during practice instead of 10 in a row allows for better free throw percentage. He had a practice

where his U17 (under 17) teams were split into groups. These groups performed

a free throw test at the beginning at practice. Then the players were broken into

a) athletes who shot 40 free throws in practice by shooting 2 at a time before

switching off who was shooting and b) athletes who shot 40 free throws 10 at a

time before switching off who was shooting. He then had all athletes perform

another free throw test at the end of practice. Finally, he had the athletes perform

a third free throw practice at the beginning of the next day practice. He wants to

know if the distributed (2 at a time) is actually better in the mass (10 at a time). In

particular, he wants to know: (Mass vs Distributed Sheet)

a) Which group made more free throws during the 40 attempts? Was it significantly different between the two groups?

b) Was there improvement between initial, post, and the next day percentages and did one group do better than another? Were there any significant

differences? If there were significant differences, which portions were

significantly different?

2. The AAU coach has several U12 teams he oversees. He wants to know how many free throws he should have these young athletes perform per week for

optimal performance. He has students write down how many free throws they

shot in a week and also has them perform a free throw test. He has provided that

data for you (# of Attempts sheet)

Task:

Situation 1

1) Perform a t-test comparing number of free throws made during the 40 free throw practice for the 2 groups (may be performed in excel or SPSS)

2) Perform a 2 X 3 (group X time) ANOVA with repeated measures in SPSS. a. If there are significant differences, if you remember how to perform post hocs,

do so. Otherwise perform t-tests as your post hoc tests (only if significant).

3) Graph means and standard deviations of number of free throws made per group (of the 40) use the graph to report significance (both groups 1 graph). Example of how

the graph should look is provided below (sans sd bars)

4) Graph means and standard deviations of group’s initial, post, and next day (all data one graph). Use the graph to report significance.

 

 

EXSS 6310 Project Spring 2021

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