A specified dose of a drug administered to a man and a woman on average will have greater effects on the woman. This is because of differences in __________
a. brain chemistry
b. body fat
c. hormones
d. expectancies
b
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A set of X and Y scores has a Pearson correlation of r = –0.60 . For these data, 60% of the variability in the Y scores can be predicted from the relationship with X
Indicate whether the statement is true or false
According to Wilson’s leash principle, _____.
a. there is a close relationship between culture and the satisfaction of biological needs b. species-specific behaviors can only evolve so much over time c. it is culture, not biology, that has total control over human behavior d. our genetics completely determine our personality throughout our lives
To be effective, punishment should be
a. delivered late in the day. b. immediate. c. delivered by the same person each time. d. a type of negative reinforcement.
Which of the following statements about sleep deprivation is false?
A. A person who goes without sleep for one week risks permanent brain damage. B. Even short-term sleep deprivation can impair the functions of one's immune system. C. Sleep deprivation can increase inattention and interfere with memory functioning. D. Fatigue may be the primary cause about one-quarter of all auto accidents.