Theoretically, if Susie repeatedly took the 6th grade achievement test, you would be able to find her true score by finding the ____ of the distribution of her scores
a. mean
b. standard deviation
c. variance
d. standard error of measurement
a
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Which of the following is true about replication in experimental research?
A. We often use different experimental methods to reach different conclusions. B. We deal with the problem of prediction versus hindsight by replicating the results of original research. C. We often use participant populations different from those used in the original research. D. We tend to explain effect after the data are in.
New neurons continue to be born in the human brain even after a person reaches adulthood
a. True b. False Indicate whether the statement is true or false
If a politician wants to create favorable public attitudes concerning a controversial issue that he or she supports, the politician should
a. make an appeal to the public's intellect rather than to its emotions. b. present multiple courses of action that would be beneficial. c. back up his or her messages with facts and statistics. d. do none of these.
In survey research, survey validity refers to the degree to which the survey
a. assesses the concept a researcher is measuring. b. results predict an expected outcome. c. has convergent evidence of validity. d. correlates with another similar measure.