It’s easier to condition young children to fear snakes and spiders than to fear flowers and basketballs. This best illustrates the importance of ___ in learning.
a. biological predispositions
b. generalization
c. discrimination
d. spontaneous recovery
Ans: a
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The age of viability, referring to the age at which the fetus ____, is reached ____
a. can first respond to stimulation; at about 9 weeks b. can survive if born prematurely; between 23 and 25 weeks c. first has a heartbeat; at about 16 weeks d. experiences no further cell division in the brain; between 36 and 38 weeks
A heavy emphasis was placed on speed in performance of the
a. Knox test battery. b. Healy-Fernald Test. c. Seguin Form Board Test. d. BNAS.
If the intensity of a stimulus that is presented to a touch receptor is increased, this tends to increase the __________ in the receptor's axon.
A. rate of nerve firing B. size of the nerve impulses C. speed of nerve conduction D. All of these are correct.
Dr. Moreau is planning a demonstration on infant visual perception for her developmental psychology class. In order to demonstrate the sharpness of an infant's vision at 20 feet, Dr. Moreau should have students look at an object about ____ feet away
a. 200-400 b. 100-150 c. 40-50 d. 15-20