Dr. Segal is studying the effects of television watching on the language development of children under the age of two. Because of room scheduling issues, the children in the experimental group underwent testing in the morning and the children in the control group underwent testing in the afternoon. This is an example of ____
a. random assignment
b. a situational confounding factor
c. a confounding factor due to individual differences
d. randomization error
ANSWER:
b
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