Theresa studied the impact of a publicity campaign on the number of women who visited a women's shelter.The goal of the publicity campaign was to increase usage of the center.For comparison purposes,Theresa measured the change in usage over the same time period at a women's shelter in a town of a similar size some distance away,where a publicity campaign was not used.What design did she use?

Question

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Theresa used a nonequivalent control group design, which involves comparing the outcomes of a treatment group (the women's shelter with the publicity campaign) and a control group (the women's shelter without the publicity campaign). The comparison helps to assess the impact of the campaign on the usage of the shelter. The study design does not meet the criteria of an experimental design because the researcher cannot control the assignment of the subjects to the treatment and control groups. Moreover, the Solomon 4-group design involves using four groups to collect data at different times, and it is not applicable to Theresa's research question. Finally, a time series design involves collecting data over a long period to investigate trends, and multiple-time series design involves comparing multiple groups over time. These designs are not equivalent to Theresa's research objectives.

Theresa Studied the Impact of a Publicity Campaign on the Number