The fact that IQ scores are more similar among identical twins than among fraternal twins

A) shows the influence of nurture on children's intellectual development.
B) shows the influence of nature on children's intellectual development.
C) suggests that siblings treated similarly will be similar in achievement.
D) suggests that siblings of the same gender are more intellectually similar.

B

Psychology

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On a variable-ratio schedule, reinforcement is given ________

a. for the first correct response after a fixed amount of time has passed b. for the first correct response after varying amounts of time have passed c. for the next correct response after a fixed number of responses have been made d. for the next correct response after a varying number of responses have been made

Psychology

If you were a disengaged parent, how would you handle a child who only wanted to eat a banana split for dinner? You would say, ____

a. "It would be much better to eat a healthy dinner first and have a banana split for dessert if you are not full." b. "Great, let's go for it!" c. "Absolutely not, under no circumstance will I allow that!" d. "Whatever, I don't care."

Psychology