In a memory experiment, Dr. Nall finds that the difference in the mean number of nonsense syllables remembered by Group A vs. Group B is statistically significant at the p < .05 level. This means that ____
a. ?there are five chances in a hundred that the difference was due to chance
b. ?an ANOVA (analysis of variance) found an interaction effect
c. ?if the experiment were conducted 100 times, the result would be the same 90 percent of the time
d. ?the standard deviations in the two groups were small
ANSWER:
a
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