Endorphins are produced in situations that involve fear, stress, or injury.
Answer the following statement true (T) or false (F)
True
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What does it mean if a test has low validity?
a. The test has not yet been standardized on a large, representative population. b. The test does not measure what it claims to measure. c. People who score high one time will score only average the next time. d. People who score high one time will score below average the next time.
Dr. Dante is concerned that his newly constructed test of intelligence may not actually measure intelligence, so he correlates the scores with performance on an established set of cognitive tests. Dr. Dante is testing whether his new test is __________.
A. reliable B. valid C. representative of the norm D. standardized
Which hormone reduces appetite and increases the feelings of being full when it is released into the bloodstream?
A) polypeptide B) insulin C) leptin D) glucose
Pam is interested is assessing the degree of relationship between gender and test grades in her psychology class. Pam should use the _____ correlation coefficient to assess this
a. partial b. point-biserial c. phi d. Pearson product-moment