Stressed students are less pleased with their grade-point average

A school issues tokens to the children for good behavior. This issue of a token is an example of ___________

a) classical conditioning b) instinctive drift c) primary reinforcement d) behavior modification

Paul, a textbook author reviewing previous studies, finds that researchers using brain imaging techniques to study autism have found evidence for all of the following except

a. the brains of children with autism process social stimuli differently than the brains of comparison children without autism b. brain activity in children without autism changes in response to certain characteristics of speech samples, but brain activity in children with autism does not change in response to the same samples c. deficits in theory of mind are the underlying cause of autism d. children with autism show a preference for nonspeech signals rather than speech samples – the opposite of the pattern that is usually found in children without autism