Multiple Choice
Marcus is interested in examining whether attending preschool makes children more extraverted. In designing a study to examine this relationship, which of the following would NOT be a potential extraneous variables?
A) the personalities of participants' classmates
B) the age at which one starts school
C) the personalities of participants' parents
D) whether the participant attends preschool
Correct Answer:
Verified
Correct Answer:
Verified
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