If identical twins are likely to have the same eye color, then eye color has a high
A. twin study rate.
B. concordance rate.
C. environmental component.
D. consistency.
Answer: B
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Professor Aguayo is recruiting subjects for a study. She is advised not to give potential subjects the exact title of the study, which is "The negative effects of mild anxiety on eye-hand coordination." Why not share the title with potential subjects?
A. Professor Aguayo may change the hypothesis after the data are collected and analyzed. B. The title may create specific expectations that could bias the subjects. C. It's really none of the subjects' business, since Professor Aguayo is the researcher. D. She's not really sure if mild anxiety will affect eye-hand coordination.
Depression in children is characterized by ____
a. helplessness b. apathy c. contentment d. mania
June's mom is concerned that she is not eating a well-balanced diet. One solution is to
A) make sure she eats three healthy meals a day, but allow at least one junk food snack between meals. B) keep cheese, fruit, raw vegetables, and peanut butter readily available for snacks. C) make sure to have new, novel healthy food items available for snacks. D) allow her to make her own food choices because children naturally select balanced diets.
Openness to experience is related to all of the following EXCEPT
a. greater sexual satisfaction in marriage. b. artistic expression. c. fewer prior arrests among prisoners. d. more favorable interracial attitudes.