A researcher is evaluating the effectiveness of a new physical education program

Question

A researcher is evaluating the effectiveness of a new physical education program for elementary school children. The program is designed to reduce competition and increase individual self-esteem. A sample of n=16 children is selected, and the children are placed in the new program. After 3 months, each child is given a standardized self-esteem test. The sample mean is 42. For the general population of elementary school children, the scores on the self-esteem test have a mean of 36 and a standard deviation of 8.which test is used below?

single sample z-test

single sample t-test

independent measures t-test

repeated measures t-test (i.e., dependent samples t-test)

2-way F (i.e., 2-way ANOVA)

Explanation / Answer

the correct choice is repeated measures t-test

since, it is the sample population tested under different conditions

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