Your absolute sensory threshold for a faint light would depend mostly on which of these?
a. Whether you are nearsighted or farsighted
b. The distance between the pupils of your left and right eyes
c. Your personality with regard to extraversion and introversion
d. Where you were during the time before the test
d
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Research using a pacifier with a pressure-sensitive switch demonstrated that infants
a. stop sucking when they hear a novel sound. b. suck more slowly as habituation occurs. c. can distinguish between angry and pleasant voices. d. cannot yet distinguish speech sounds. e. learn language faster the earlier they are weaned from their pacifiers.
Psychology became a science in 1879 when psychologists began to
a. avoid deductive thinking. b. understand the relationship between humans and animals. c. use machines to record the behaviors of organisms. d. make observations, perform experiments, and seek information.