Stimulus discrimination
a. is a response followed by a reinforcer.
b. occurs when responses are made to stimuli that are similar to the original CS.
c. is the removal of a stimulus.
d. occurs when responses are made to certain stimuli, but not to others.
d
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Chapter 10 discussed a study that compared the working-memory skills of three groups of Dutch-English bilinguals. This study concluded that
a. the students had the best working-memory scores. b. the teachers had the best working-memory scores. c. the simultaneous interpreters had the best working-memory scores. d. the three groups did not differ significantly in their working-memory scores.
During what stage of attachment development do infants begin to understand parents' feelings and goals and sometimes use this knowledge to guide their own behavior?
a. preattachment c. true attachment b. attachment in the making d. reciprocal relationships