Respuesta :
Researchers can ensure that the control group in a nonequivalent control group design matches the treatment group on a crucial criterion. This is an effort to counter the threat of internal validity being selected.
Even though the groups were pretested to match on one crucial criterion, they might not on another, which will have an impact on the outcomes. For more details, refer to the part in your text titled "Selection Effects."
The process of choosing and shortlisting the best applicants with the required credentials and skill set to fill open positions in an organization is known as the selection process. Industry, company, and even departments within the same company all have different selection procedures.
However, the resulting groups are probably to be different in some aspects when individuals are not randomly assigned to conditions. Researchers view them as non-equivalent because of this.
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The correct question is:
In a nonequivalent control group design, participants in the control group may match the treatment group on an important factor. This is an attempt to prevent which threat to internal validity?
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regression
