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16 August, 05:26

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 performanced.

D. by comparing the treatment group's data to a single observation of a control group

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  1. 16 August, 08:56
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    A. by looking for changes in the response pattern from pre to post-treatment
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