Infants make a transition at about 14 months from categorizing based on perceptual features to
a. the use of language.
b. the use of conceptual categories.
c. using categories such as furniture, vehicles and food for the first time.
d. using categories such as cats and dogs for the first time.
Answer b. the use of conceptual categories.
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When the "bad boys" get together, they laugh and boast about doing antisocial things. A developmentalist can make which statement?
a) This activity promotes insecure attachments. b) This behavior is called deviancy training. c) This activity discourages more antisocial behavior. d) This behavior cements the good group.
According to Melissa Hines and her colleagues (2015), which of the following is true of human female embryos and fetuses who have been exposed prenatally to higher-than-typical concentrations of male sex hormones?
A) They show a decreased likelihood of developing a lesbian sexual orientation. B) They are more likely to demonstrate possible changes in gender identity. C) They have heightened tendencies to display submissive behavior. D) They show decreased male-stereotyped play during childhood.