Which of the following is an advantage of the within-subjects design compared to the between-subjects design?
A. The within-subjects design, but not the between-subjects design, allows for random assignment of participants to the levels of an independent variable.
B. The within-subjects design requires a larger sample size to detect an effect compared to the between-subjects design.
C. The within-subjects design, but not the between-subjects design, allows for the comparison of differences between group means.
D. The within-subjects design has great power to detect an effect compared to the between-subjects design.
Ans: D
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P. J. Bloom believes that it is difficult to assess directors' competence because
a. directors are too sensitive about their jobs. b. there is no one to do the evaluations. c. evaluation does not help to increase competence. d. it is difficult for a director to be objective without a clear definition for what competence is
Genes can shape the environment only through passive effects.
Answer the following statement true (T) or false (F)
Mrs. Simms reviewed her class role and read the permanent files of her incoming fourth grade students before school started in August. She noticed that Gabe had poor grades in several subjects last year, and his second and third grade teachers left notes about his bad conduct in the permanent file. When school started, Mrs. Simms told Gabe she was happy to have him in her class and said she knew
he would like fourth grade subjects and learn a lot. Throughout the year, Mrs. Simms encouraged Gabe and expressed her belief in his ability to learn. In the spring, Gabe scored in a higher percentile on his district's standardized tests than he had the previous year. His gains were much higher than expected. This is an example of: a. explicit teaching. b. the Pygmalion effect. c. sustaining expectation effect. d. scripted cooperation.
This score has a range of 1 to 9, a mean of 5, and a standard deviation of 2
a. stanine score b. standard score c. grade equivalent score d. T-score