To find a significant difference with an analysis of variance, you hope to maximize
a. the between-group mean square.
b. the within-group mean square.
c. the within-groups sum of square.
d. variation within groups
(a) the between-group mean square.
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Research findings that indicate differences between older and younger adults with issues such as memory, attentional capacity, and processing speed must be interpreted carefully. Why?
a. Memory tests are biased against younger adults. b. A test that measures memory in a younger adult will not be valid for testing an older adult. c. Age differences are sensitive to the conditions under which they are measured. d. Any differences observed between the two groups are due to declining vision and hearing in older adults, not due to decreases in memory or attention per se.
Most sophisticated studies of the family confirm what we already know as common sense
Indicate whether the statement is true or false
In the late 1700s and 1800s,
a. the emphasis upon equality enhanced the status of the elderly. b. most of the negative terms for men, such as “old goat” and “geezer” came into general use. c. religious elders gained influence. d. All of these choices.
In the text, which of the following countries scored highest on a prejudice scale?
A. Netherlands B. Belgium C. Italy D. United Kingdom