If Darla has albinism but neither of her parents exhibit this inherited condition, the trait must be _____ and Darla's genotype for this trait is _____.
A. dominant; homozygous
B. recessive; homozygous
C. dominant; heterozygous
D. recessive; heterozygous
Answer: B. recessive; homozygous
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Research shows that, among men, high levels of testosterone are associated with risk-taking and competitiveness ____
a. but are not associated with a high sex drive b. but are not associated with unstable marriage c. and are also associated with a disinclination to marry and care for children d. and are also associated with depression
Regarding the use extrinsic motivation with children and teenagers, which of the following statements is FALSE?
a. If there is no intrinsic interest in an activity, such as reading, the use of extrinsic rewards with children can be helpful. b. If extrinsic rewards are used, one should start out with a moderate-size reward and then gradually increase the size until intrinsic motivation develops. c. Extrinsic rewards can focus attention on an activity so real interest will develop. d. Coercing or "bribing" someone to act tends to make them feel like they are "faking the activity," which can result in a lack of initiative and a rejection of learning in teens.
According to the APA Ethical Guidelines for Conducting Research with Children, if in the course of a study the investigator becomes aware of a jeopardy to the child's well-being, the investigator must
a. inform the parents and arrange for assistance for the child. b. continue with the experiment until the trial is over and then send the child home. c. end the experiment and call an attorney. d. discard the data obtained from that particular child and continue to study other participants.
January engages in regular exercise. As a result, January is __________
A) more likely to develop diabetes B) likely to have higher blood pressure C) likely to recover slower from a cold D) less likely to catch a cold or the flu