When testing the means of independent samples, the null hypothesis is best thought of as
a. the mean of population 1 is equal to the mean of population 2.
b. the mean of population 1 is unequal to the mean of population 2.
c. the mean of a set of difference scores is equal to 0.
d. the two population means don't differ by more than 10 points.
A
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As discussed in the text, there are a number of cognitive tendencies found among gamblers that have the effect of encouraging these people to keep gambling. One of the MOST common is the tendency to see losses as ____
a. "near wins" (not losses at all) b. "par for the course" (as a certain number of losses are expected) c. "practice runs" (helping to improve technique in the long term) d. "not their fault" (special exceptions due to circumstances)
The database that contains brief summaries of psychology articles and information on where to find the original publication is ____. a. Social Citation Index b. MedLine c. PsycInfo
d. ERIC
It’s easier to condition young children to fear snakes and spiders than to fear flowers and basketballs. This best illustrates the importance of ___ in learning.
a. biological predispositions b. generalization c. discrimination d. spontaneous recovery
Each of the following is a promising strategy for reducing prejudice and discrimination except ________
a. recategorization b. controlled processing c. increasing competition between groups d. improving contact between groups