When a t test is applied to experimental research data, the groups are
being compared with regard to their performances on the
a. independent variable
b. dependent variable
c. confounding variable
d. controlled variable
b
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Wu believes that some murderers truly love their own children; he also believes that all who truly love their own children are effective parents. Wu's negative attitude toward murderers is so strong, however, that he finds it very difficult to accept the logical conclusion that some murderers are effective parents. His difficulty best illustrates:
a. overconfidence. b. the framing effect. c. confirmation bias. d. the availability heuristic. e. belief bias.
One reason that gains in IQ and achievement test scores from attending Head Start quickly dissolve is that many of the children
A) enter low-quality public schools. B) have to repeat grades in elementary school. C) drop out of school before graduating. D) are unable to keep up with the homework demands in grade school.