Wesley is in a movie theater with no windows—the only light is low illumination from the emergency lights on the floor. Which photoreceptors will be most useful to Wesley as he attempts to leave the theater?
a. Cones
b. Fovea
c. Iris
d. Rods
d. Rods
Rods are the photoreceptors most useful to Wesley as he attempts to leave the theater.
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A set of scores ranges from a high of X = 24 to a low of X = 5 . If these scores were put in a frequency distribution table with an interval width of 2 points, which of the following would be the top interval in the table?
a. 4-5 c. 24-25 b. 23-24 d. 22-24
According to the chapter, a criticism of using telephone surveys that is no longer valid today is that:
a. people generally were unwilling to use them. b. telephones were highly unreliable. c. the sound quality was too poor. d. telephones were once only owned by individuals with high SES.
At one time, such occupations as "housewife" or "nonworking mom" were known as
women's work. family work. menial tasks. unimportant.
A _______________ is a statistical measure that provides, with a specified probability, a range of values within which the mean of a population is likely to lie
a. confidence interval b. standard deviation c. significance test d. descriptive statistic