Mental health professionals sometimes use convenience samples of patients who have presented for treatment. Give an example of when this would not be a methodological problem and when it would be a methodological problem
Answer:
The use of convenience samples is not a problem in studies where the convenience sample is the same as the population of interest, such as studies of the effectiveness of medication or therapy techniques for people in therapy. Such samples are problematic, however, when conclusions about causality are drawn and generalizations are made to larger populations.
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