The ____ is the most frequently appearing score
a. mean
b. median
c. mode
d. range
c
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A researcher collects a sample of n = 20 Introductory Psychology textbooks and records the number of pages in each book. The results are then placed in a grouped frequency distribution table using intervals of 0-99 pages, 100-199 pages, 200-299 pages, and so on. If the results were converted into a frequency distribution graph, what kind of graph should be used?
a. A bar graph c. A polygon b. A histogram d. Either a histogram or a polygon
In field experiments, researchers
A) make no effort to alter participants' experiences.
B) use treatment conditions that already exist naturally.
C) avoid confounding variables by exposing the same participants to all treatments.
D) randomly assign participants to treatment conditions in natural settings.
The tension-release method is a procedure
a. that involves the cathartic release of emotion through physical exercise. b. utilized during REBT to change distortions in thought and emotion. c. for systematically achieving deep relaxation of the body. d. that uses aversive stimuli to interrupt or prevent upsetting thoughts.
Marissa, Jemelle, and Larsa were all born in the same year. From a research perspective, all three are part of the same __________
a. cohort b. group c. team d. population