Alexander has suggested that humans have evolved sex differences in color and form preferences that prepare them for their adult reproductive roles. He has theorized that ____________ may be responsible for sex differences in color naming and spatial perception
a. pineal hormones
b. androgens
c. estrogens
d. monoamines
Answer: b: androgens
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According to your textbook, a research project should be called "gender comparisons in mathematical ability," instead of "gender differences in mathematical ability.". The reason for this preference is that the title "gender comparisons"
a. implies that the researchers have eliminated all possible confounding variables. b. implies that the researchers favor cultural feminism, rather than liberal feminism. c. focuses on both differences and similarities. d. focuses on essentialism rather than on social constructionism.
Since about the 1970s, people's self-esteem scores have been on the rise
Indicate whether the statement is true or false
According to Eysenck's original model, why do introverts often prefer to isolate themselves from others?
A. They have had a history of negative social experiences. B. They are trying to keep their arousal levels from getting too high. C. They have failed to develop appropriate social skills. D. They generally do not trust people.
An experimenter investigated the ability to concentrate as a function of crowding. Concentration was measured as the amount of time it took the participant to complete a word puzzle. How should the experimenter summarize the scores on the dependent variable?
a. Find the mode for crowding because crowding scores are nominal. b. Find the mean amount of crowding, if crowding scores are normally distributed. c. Find the mean amount of time it took to solve the puzzle, if time scores are normally distributed. d. Find the median amount of time it took to solve the puzzle because time scores are ordinal.