Based on your textbook's discussion of motor development in infancy and early childhood, which of the following conclusions seems most reasonable?
a) The development of motor skills in infancy and toddlerhood is entirely determined by "nature."
b) The development of motor skills in infancy and toddlerhood is mainly determined by biology, but it may be influenced by experience.
c) Biology sets limits on the development of motor skills in infancy and toddlerhood, but it is mainly shaped by experience.
d) The development of motor skills in infancy and toddlerhood is almost wholly shaped by "nurture."
ANS: B, The motor development sequence is universal, but it may be colored by social factors.
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Why is it difficult for researchers to discover what percentage of the population is homosexual?
a) Because most people are unwilling to talk about their sexual orientation openly or will often lie on surveys. b) Because some people change orientation several times during their lifetime. c) Because surveys are inconsistent. Some include only homosexual behaviors, others include people who have had same sex desires. d) It isn't. It is well established that 5% of the population is homosexual.
According to the chapter Flash in the Panabout flashbulb memories, what do the researchers mean when
they argue that memory is reconstructive? (a) people have to construct their memories from almost nothing (b) memories are put together from a patchwork of things that happened and things that did not (c) memories represent the perfect reconstruction of past events (d) people know the true and untrue portions of their memories