Which sex-related problem faces men during middle adulthood?
A. less time to achieve an erection
B. endurance decreases
C. volume of ejaculate increases
D. testosterone declines
Answer: D
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Preschoolers' rate of growth is slower than it has ever been; as a result, they need ___________ food to maintain their growth
a. the same amount of c. a great amount of b. more d. less
Two-month old Peter is participating in a visual perception study. Every time Peter kicks his
feet up to a presented face, he hears a tape of his mother saying a nursery rhyme. After a number of repeated trials, the presented face is altered. Peter's kicking response is then measured. This is an example of which of the following research methods? a. Preference technique b. Habituation c. Visual Attention d. Operant conditioning
Ramon wants to raise his sons to have healthy attitudes toward women and treat them as equals. Which one of the following types of learning would be most practical?
A. Classical conditioning B. Operant conditioning C. Insight learning D. Observational learning
The __________ is a device that takes advantage of the changing magnetic fields produced by the electrical activity of the brain to produce a record of neural activity in the awake brain.
A. neuromagnetometer B. magnetic resonance imaging scanner C. electroencephalograph D. transcranial magnetic stimulator