Multiple Choice
In using an interrupted time-series design, how does one determine whether the independent variable had an effect?
A) by looking for changes in the response pattern from pre- to post-treatment
B) by using the chi-square statistic
C) by comparing pre-treatment mean performance to post-treatment mean performance
D) by comparing the treatment group's data to a single observation of a control group
Correct Answer:
Verified
Correct Answer:
Verified
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