____ can be determined by calculating the difference between the results obtained in the experimental and control groups
a. Between-groups variance.
b. Within-groups variance.
c. Effect size.
d. Power.
C
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Which of the following is an example of scaffolding?
a. Tying a child's shoes for him b. A child reading a book on her own c. Using flash cards to learn math until the child can calculate the answer in her head d. ?A child watching an educational video
If researchers report that the results from their study were significant, where p < .05, this means that:
a. they would get the same results fewer than 5 times in 100 if they repeated the study. b. the results are unreliable. c. we would expect the results to occur by chance fewer than 95 times out of 100. d. we would expect the results to occur by chance fewer than 5 times out of 100.
Psychoanalysis is still used today but often in more flexible, adaptive ways. Which alternative is not a variation on psychoanalysis?
a. ?Interpersonal therapy b. ?Client-centered therapy c. ?Individual analysis d. ?Object relations therapy
What is made difficult by the "file drawer" problem?
A. Determining if the prediction was made before or after seeing the results B. Determining if the appropriate statistical tests were used C. Determining the strength of an effect by how often it is replicated D. Determining how valid the measures were