Which of the following is an example of a one-group posttest-only quasi-experimental research design?
A. A researcher records exam scores following a new lecture.
B. A researcher records verbal scores in a group of children prior to giving a treatment aimed at improving verbal abilities.
C. A researcher measures job rates in two cities with comparable demographics.
D. A researcher measures weight gain before and after a group of participants begin a new diet plan.
Answer: A
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The presence of more than one condition within the same period of time in an individual is known as
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What did the term schizotypal originally mean?
a. an abbreviation for schizophrenic phenotype b. an abbreviation for schizophrenic subtype that is not specified in DSM c. a form of schizophrenia that is induced by a virus d. a set of symptoms that occur in reaction to environmental stress
Which of the following statements is true regarding the developmental trajectory of autism spectrum disorder?
a. All children with ASD show similar signs at the age of two. b. Some children who have an early diagnosis of ASD become indistinguishable from typically developing peers in early adolescence. c. The most likely improvement in the developmental trajectory of ASD is in of social and communication domains. d. The developmental trajectory is nearly identical for children who show early signs of intellectual giftedness.
You buy a new car that always starts instantly on cold mornings (continuous reinforcement). It suddenly fails one time, and you immediately call a service station. Suppose, however, that your car often gives you trouble on cold mornings (variable reinforcement). It is likely that you will try to start the car several times before calling a service station due to the ____ effect.?
a. ?partial reinforcement b. ?successive approximation c. ?secondary reinforcement d. ?delayed reinforcement