Question

You need to test the following hypothesis using which statistical test? Girls who participate in an...

You need to test the following hypothesis using which statistical test?

Girls who participate in an after-school character building program for 6 weeks have improved self-image (total self-image score 0 to 100) from the beginning of the program (time 1) to the end of the program (time 2).

Select one:

a. Paired-samples t-test

b. Chi-square

c. T-test

d. Correlation

Social-Sciences   Psychology   
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Answer #1

(A)paired sample test

A paired t-test is used to compare two population means where you have two samples in which observations in one sample can be paired with observations in the other sample. Examples of where this might occur are:

Before-and-after observations on the same subjects (e.g. students’ diagnostic test results before and after a particular module or course).
A comparison of two different methods of measurement or two different treatments where the measurements/treatments are applied to the same subjects (e.g. blood pressure measurements using a stethoscope and a dynamap).

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