Using participants who have been selected on the basis of their extreme scores on some measure introduces the possibility of ________ as a source of confounding.
A. statistical regression
B. biased selection
C. maturation
D. history
Answer: A
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When we use different subjects in each condition, but they are related on some variable or variables, we are using a _____ design
a. matched-subjects b. between-subjects c. within-subjects d. across-subjects
Marcy is trying to define "anxiety" in such a way that it specifies how it is to be observed, measured, and empirically tested. She is attempting to find an appropriate:
a. hypothesis. b. corollary. c. theoretical definition. d. operational definition.
What is mate-poaching?
What will be an ideal response?
A group of psychologists studying humor reaction studied participants' enjoyment of jokes by recording how many times the participants grinned, smiled, and laughed
These measurements of grinning, smiling, and laughing to represent enjoyment involve a. manipulated variables. b. main effects of humor enjoyment. c. logistic analysis. d. an operational definition of enjoyment.