The groups of participants in a typical pretest-posttest design with nonequivalent groups are usually created by means of:
A) prescreening
B) matching
C) using random selection
D) using random sampling
B
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Fritz Perls and his colleagues developed _____ therapy.
A) exposure B) humanistic C) existential D) Gestalt
Which psychologist's research was instrumental in the 1954 court decision on school desegregation??
a. ?G. Stanley Hall b. ?Francis Sumner c. ?John Dewey d. ?Kenneth Clark
Susan is planning a study to assess attitudes and health care utilization among young, middle aged, and older adults. How should Susan gather data to ensure that her study is the most valid and generalizable?
A. Email the survey to potential participants using an online platform (e.g., Survey Monkey). B. Go to the local health center and ask willing participants to complete the survey using paper and pencil. C. Call participants who have participated in previous studies and mail surveys to those who agree to participate. D. Email younger participants the survey, while asking older participants to complete the survey using paper and pencil.
An excitatory message received by a neuron decreases the likelihood that it will send a message down its axon
Indicate whether the statement is true or false