The most recent psychological tests are based in
a. technology.
b. cognitive theories.
c. rigorous validation studies.
d. the predictions of trained professionals.
a
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Last year there were 300 new Ph.D.s in chemistry looking for academic jobs. Of those, 100 were women and 200 were men. Nationwide last year there were 75 new hirings in chemistry departments. How many of those new hires would be expected to be women if there was no gender discrimination?
a. 15 b. 20 c. 25 d. 50
In a normal distribution of test scores:
a. all the scores fall within ±1 standard deviation of the mean b. approximately 68% of the scores fall within ±2 standard deviations of the mean c. approximately 50% of the scores fall within ±1 standard deviation of the mean d. approximately 68% of the scores fall within ±1 standard deviation of the mean
Researchers are training pigeons to peck to receive food pellets when they see gratings but withhold their pecks to receive pellets when they see a uniform gray circle. This procedure will help the researchers determine a. whether or not pigeons can see color
b. whether or not pigeons have feature detectors. c. how much contrast a grating must have before it looks different from the gray circle to a pigeon. d. whether pigeons are intelligent enough to learn to peck one stimulus rather than another.
Which of the following pairs is considered to be an example of opposing color-sensitive neurons?
a) green/orange b) red/pink c) yellow/blue d) black/brown