Which of the following is an advantage of using a pretest-posttest design over using a posttest-only design?
A. It enables participants to figure out what is being studied and why.
B. It takes less time to conduct an experiment.
C. It minimizes demand characteristics.
D. It assesses whether the groups are equivalent.
Answer: D
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In the MacArthur longitudinal twin study, researchers found that identical (MZ) twins were more similar to each other than fraternal (DZ) twins in
a. ability to categorize things. c. spatial memory. b. word comprehension. d. all of these
According to James, the atoms of experience (pure sensations without associations) ______
a. were genetically predetermined b. were the basis of all human behavior c. were best understood through experimental research d. did not exist
How do "safety behaviors" contribute to the persistence of panic disorder?
What will be an ideal response?
New learning that works in the opposite direction from the original learning results in __________.
A. shaping B. generalization C. spontaneous recovery D. extinction