What is TRUE about organized sports and activities?
A. Girls tend to spend more time in organized sports than boys do.
B. More children participate in unorganized activities than in organized sports.
C. Organized sports appear to have greater risks than benefits for children.
D. Nearly all children participate in organized sports during middle childhood.
Answer: B
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Professor West is lecturing on sleep cycles and tells his class that the axons that form the retinohypothalamic pathway
A. come from special ipRGC cells within the suprachiasmatic nucleus (SCN). B. come from special cells called extrinsically photosensitive retinal ganglion cells. C. come from special cells called intrinsically photosensitive retinal ganglion cells. D. come from special color-sensitive ganglion cells within the retina.
Another example of the power of classical conditioning occurs when _____
a) a child is given a treat for finishing chores and increases that behavior. b) we learn a skill by watching someone else, which makes our mirror neurons fire. c) the neighborhood where we got high makes us crave the drug. d) we teach our dog to sit by using rewards.
Which statement is true about sibling relationships in middle adulthood?
A) As siblings grow older, good relationships often get worse and poor relationships get better. B) For most people, sibling contact and support increases steadily from early to middle adulthood. C) Despite reduced contact, many siblings feel closer in midlife, often in response to major life events. D) Most adult siblings report getting together or talking on the phone at least weekly.
Jill thinks that mixed-sex groups (ones with both males and females) make better decisions than same-sex groups. Therefore, she creates ten mixed-sex groups and ten same-sex groups, and asks them to answer a series of math problems. In this study, the independent variable is
a. the composition of the group (same-sex or mixed-sex). b. the quality of the group’s decision. c. the size of the groups. d. the gender of the group members. e. held constant.