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According to Leo, Which of the Following Is a Problem

Question 482

Multiple Choice

According to Leo, which of the following is a problem with the MTA study of the effects of Ritalin on very young children?


A) the sample of parents that they used in the research was not a random sample of typical parents in the United States.
B) the group of parents who were selected for the study was already biased toward the idea that ADHD is a disease that can be treated with medications.
C) the teachers in this study found that, although medication improved attention among these children, it did not have any effect on hyperactivity.
D) all of the above

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