Infants with severe visual impairments are not motivated to move independently until
A) "reaching on sound" is achieved.
B) their parents push them to do so.
C) they have received extensive orientation and mobility training.
D) they receive vision correction through eyeglasses or surgery.
A
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The ____ index attempts to measure how quickly your mind works
a. verbal comprehension b. perceptual index c. working memory d. processing speed
The number of years an average newborn of a given species lives is the
maximum life span. average life expectancy. species life expectancy. minimum life span.
Which ethnic group is the most likely to engage in sexual intercourse during adolescence?
A) African American B) Asian C) Caucasian D) Hispanic
A researcher is conducting an experiment to test the effect of feedback on job performance. The researcher can exercise control over extraneous variables, such as intelligence, by:
A) using participants with the same level of intelligence. B) using participants with the same level of job performance. C) giving all participants the same type of feedback. D) randomly assigning participants to feedback conditions.