In a between-subjects design, individual differences (participant variables) are a problem because they can ____
a. become confounding variables
b. decrease variability of the scores
c. preclude the use of statistical analyses
d. produce fatigue effects
a
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If you were to look at the prototypical resident of a long-term care facility in the United States of America, which of the following would NOT be one of the characteristics you'd see? a. This person would be female
b. This person would be African-American. c. This person would be over 85 years old. d. This person has a 50/50 chance of having dementia, depression, or both.
A visual defect known as astigmatism is the result of
a. one's eyeball being too short. b. one's eyeball being too long. c. an abnormal distribution of visual receptors in the retina. d. a misshapen cornea or lens.
What method do scientists use to obtain information?
A. logic B. intuition C. assumption D. observation
Which type of test can be used to test hypotheses about continuous variables?
What will be an ideal response?