One reason that low-SES kindergarteners have vocabularies only one-fourth as large as those of their higher-SES agemates is that they
A) rely on infant-directed speech.
B) do not use telegraphic speech.
C) are read to less often.
D) have more verbal stimulation in their homes.
C
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Research indicates that ____ grandparents use their own experiences of cultural disruption to reinvest in their grandchildren to ensure the continuity of culture
a. Native American b. African American c. Latino American d. Asian American
Tammy took part in an experiment where she wore a special set of headphones that played different messages to each ear. The researchers asked her to repeat the message in her left ear. The message presented to her left ear was "Following weeks of increasing prices, the picnic had to be canceled.". The message presented to her right ear was "After the rain started to fall, the stock market took a
downturn.". Based on the results of similar studies, it is likely that Tammy will say: a. "Following weeks of increasing prices, the stock market took a downturn.". b. "Following weeks of increasing prices, the picnic had to be canceled.". c. "Following weeks of rain the stock market downturn had to be canceled.". d. "Following weeks of increasing prices, the rain started to fall.".
How does the scientific practice of drawing conclusions from samples of subjects impact the conclusions that scientists draw?
A. Samples of subjects will never be like other groups of nonstudied people. B. Samples of subjects are too small to influence conclusions. C. Samples of subjects cannot be observed. D. Samples may include one or two individuals whose behavior is unusual enough to change the study results.
Benzodiazepines, barbiturates, and alcohol have binding sites on the _________receptor
a. cholinergic b. glutamate c. dopaminergic d. GABA