What does the height of the bars on a histogram indicate?
A) mean
B) range
C) frequency
D) score or value
Answer: C
Rationale: Psychologists usually present data in a type of bar graph called a histogram. Like other bar graphs, the vertical axis shows the frequency, or the number of observations that fall within a certain category or range of scores.
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The process of establishing causal relationships is associated most with:
a. naturalistic observation. b. experiments. c. correlation. d. surveys.
Elina is participating in a study on auditory perception in which she must repeat back the
verbal information that is being channeled into one of her ears through a set of headphones. Occasionally, though, she hears something in the other ear. It is most likely to be her a. telephone number. b. name. c. birthday. d. age. e. favorite color.