Which one of the following statements best describes a quasi-experimental study?
a. Participants are randomly assigned to treatment and control groups.
b. Treatment and control interventions are administered to pre-existing groups.
c. Researchers examine children's behaviors in educational settings rather than in laboratories.
d. Researchers are less concerned about the validity and reliability of their measures than is true in experimental studies.
Question 2
Imagine that a researcher finds that, on average, students who weigh more are better athletes. Which one of the following is an appropriate conclusion from this information?
a. Parents should feed their children as much as possible.
b. The school cafeteria should decrease the fat content of the food it serves.
c. On average, students who eat more become stronger and more agile.
d. There is a correlation between weight and athletic performance.
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