High-intensity activities, such as running and swimming, are ____________________ exercise, because they increase both heart rate and oxygen consumption
Fill in the blank(s) with correct word
aerobic exercise
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If a particular test "X" has been shown to accurately predict success in a particular job, then the test is said to be a. valid
b. structured. c. ambiguous. d. reliable.
What happens to the brain of an opiate user following several weeks of regular use?
A. Endorphin receptors become more sensitive. B. Endorphin receptors become less sensitive. C. The brain will produce less of its own endorphins. D. The brain will produce more of its own endorphins.
An important thing about r2 is that it represents a measure of
a. causal relationships. b. accountable variability. c. the correlation. d. statistical significance.
The relative validity of a stimulus is determined by its ______.
a. salience b. correlation with the US c. discriminability from the background d. novelty