A reversal design can only be used when the level or pattern of change in a dependent variable ______.
A. is not stable in the baseline phase
B. is reversed in the treatment phase
C. is difficult to detect because of the small sample size
D. can return to baseline levels when the treatment is removed
Answer: D
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Vygotsky emphasized the importance of _____ participation in culturally relevant activities with support from others can lead to improvements in performance
Fill in the blank(s) with correct word
Before calculating a Pearson correlation coefficient, it is advisable to plot the data because
a. one must be sure that the underlying relationship between the two variables is linear. b. the diagram is more informative than the correlation coefficient regarding causality. c. one must make sure that the data are from a truncated range. d. the correlation coefficient cannot show the direction of the relationship.
__________ are commonly held beliefs about groups
a. Sexual scripts b. Sex differences c. Sex roles d. Stereotypes
After careful observation, Dylan has stated a hypothesis that spending money on other people leads to greater happiness than spending money on oneself. In accordance with the scientific method, which of the following steps is Dylan most likely to take next?
A. He will publish the experimental results in a reputable journal. B. He will test the prediction by conducting empirical research. C. He will conclude whether spending money on others can be a strong predictor of happiness. D. He will evaluate the results of his experiment.