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Beth is interested in studying the effects of movies on peoples' attitudes toward the mentally ill. she obtains a sample of college students who have never seen one flew over the cuckoo's nest. half of the students watch the movie and half do not, and then she measures their attitudes toward the mentally ill. she is worried that if participants have a loved one who is mentally ill, they may have different attitudes from everyone else. she decides to give a pretest to determine if people have family members with a mental illness to make sure that there are equal numbers of such people in both the experimental and control groups. beth is using

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SeoJoon15
The correct answer is random assignment. Random assignment is being defined as an experimental technique by which they are likely to engage with assigning animal subjects or human participants to a different group in terms with the experiment that one will likely make or engage to.
holesstanham

Answer:

Matched pairs

Explanation:

In this example, Beth is using a matched pairs research design. This is a type of randomized block design. This design is used when an experiment only has two treatment conditions. First, subjects are grouped into pairs, based on some blocking variable (in this case, having a loved one who is mentally ill). Then, within each pair, subjects are randomly assigned to different treatments.

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