A researcher used a sample of n = 60 individuals to determine whether there are any preferences among four brands of pizza. Each individual tastes all four brands and selects his/her favorite. If the data are evaluated with a chi-square test for goodness of fit using ? = .05, then how large does the chi-square statistic need to be to reject the null hypothesis?
a. Greater than 7.81 c. Greater than 79.08
b. Less than 7.81 d. Less than 79.08
A
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The achievement of integrity in later adulthood requires
a. a sense of trust in the political process. b. the acceptance of one's life as it has been lived. c. an ability to predict the future. d. a willingness to take new risks.
Using contrast sensitivity functions, we can conclude that cats would have superior vision compared to humans for stimuli with _________ frequency and _________ contrast
a. high; high b. high; low c. low; high d. low; low
Otis feels free since his recent divorce. He quit his bank job and has gone back to school to pursue a career in music performance. Otis is probably having a(n)
A. midlife transition. B. crisis of generativity. C. identity crisis. D. peak experience.
In classical conditioning, the ________ is an unlearned reaction to a given stimulus. For example, if you have an allergy to pollen and sneeze, sneezing is an unlearned reaction to the pollen (i.e., the stimulus).
a. Conditioned response b. Conditioned stimulus c. Unconditioned response d. Unconditioned stimulus