A sample of n = 4 scores is obtained from a population with ? = 70 and ? = 8 . If the sample mean corresponds to a z-score of 2.00, what is the value of the sample mean?
a. M = 86 c. M = 74
b. M = 78 d. M = 72
B
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According to the trichromatic (Young-Helmholtz) theory, what causes perception of green?
a. The activity of cones is greatest at a point between the fovea and the periphery. b. Most of the cones are firing at an intermediate frequency c. The medium-wavelength cones are more active than the other ones. d. The velocity of action potentials from the retina is at an intermediate level.
Finke's "creating an object" experiment had participants create a novel object by combining parts. Once they created an object, they were given the name of an object category and instructed to interpret their creation as a practical object or device within that category. Finke used the term preinventive forms to describe the
A. object parts. B. novel objects before a function was described. C. practical objects within the category. D. inventions rated high in both practicality and originality.
__________ refers to the belief that people are permanently females or males depending on fixed, unchangeable biological factors.
A. Gender schema B. Gender constancy C. Gender identity D. Sexual identity
Darley and Latané described a sequence of decisions a bystander must make before he or she will intervene in an emergency. Which of the following is NOT one of the specific steps?
A. assessing the victim's desire for help B. assuming personal responsibility for intervening C. noticing the incident D. interpreting the incident as an emergency