All of the following are used in testing internal consistency reliability EXCEPT
a. test-retest.
b. parallel-forms.
c. split-half scores.
d. Cronbach’s alpha.
Answer: a: test-retest
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Tonya is interested is assessing the degree of relationship between class rank and how many hours students volunteer for community service each week. Tonya should use the _____ correlation coefficient to assess this relationship
a. Spearman rank-order b. point-biserial c. phi d. Pearson product-moment
Given the research on violence in the mass media and viewer aggression, which conclusion is MOST accurate?
a. Violent media can have serious, long-term impacts in terms of increasing aggressiveness in viewers. b. Violent media can have mild, short-term impacts in terms of increasing aggressiveness in viewers, and may or may not have more serious or longer-term impacts. c. Exposure to violent media is one of the most difficult risk factors to alter in terms of preventing aggression. d. Violent media seem to increase some forms of aggression among people who are already prone to aggression, but to have little or no impact on people who are not already prone to aggression.
Addington v. Texas was a Supreme Court ruling on civil commitment. It changed the standard of proof such that ____
a. the judge or jury had to be 51 percent certain of the evidence to decide in favor of commitment b. the standard was set at a lower level of certainty than in criminal cases c. commitment could occur only if there was evidence "beyond a reasonable doubt" d. the judge or jury had to be 90 percent certain of the evidence to decide in favor of commitment
Children are able to develop their own memory aids and organize information on their own at ______ years old
2–5 5–7 7–8 9–11