Which set of sample characteristics is most likely to produce a significant value for the independent-measures t statistic?
A) ?A small mean difference and small sample variances
B) ?A large mean difference and small sample variances
C) ?A small mean difference and large sample variances
D) ?A large mean difference and large sample variances
B
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According to the text, which of the following best describes "change" in the traits of living things?
a. Nature plans ahead and designs certain kinds of changes. b. Nature allows for living things to remain essentially unchanged from one generation to the next. c. Nature produces changes in living things that are essentially random. d. Nature, through the process of reproduction, is guaranteed to produce predictable outcomes in the traits of offspring.
How do the psychometric properties of the Search Institute Profiles of Student Life: Attitudes and Behaviors differ from the other measures discussed in this chapter?
a. There is little public information about the properties. b. The properties are noted to be the strongest of the measures. c. They have strong internal consistency. d. There is strong test-retest reliability but weak construct validity.
Children acquire vocabulary so efficiently and accurately that some theorists believe that
A) principles such as mutual exclusivity bias have no bearing on language development. B) it is governed by different cognitive strategies than those applied to nonlinguistic information. C) children reject a coalition of perceptual, social, and linguistic cues in favor of rote learning. D) they are innately biased to induce word meanings using certain principles.
Piper goes to sit down at her lunch table in the high school cafeteria and realizes that there are no seats left. One of her friends tells her to sit at the table next to them
Piper loudly replies "I can't sit there—that is the nerd table!" This is example illustrates the power of A) cliques. B) crowds. C) chumships. D) clans.