Which statement about confounding variables in experiments is FALSE?
a. Every experiment has at least one confounding variable.
b. Confounding variables should be avoided or minimized.
c. Random assignment controls confounding variables.
d. Confounding variables lead to incorrect conclusions.
A
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The most critical way in which a person can contribute to his or her development is through
a. increasing physical ability b. achieving upward mobility c. focusing on career success d. creating significant social relationships
High school dropouts earn ________ less than high school graduates
A) 56% B) 46% C) 52% D) 42%
Which of the following correlates with an infant's ability to habituate to a new stimulus very quickly?
a. difficulties on other cognitive tasks b. difficulties with decoding social cues c. performance on intelligence tests d. performance on social-emotional scales
"Victim-precipitated rape" is
a. more common today than in previous decades. b. less common today than in previous decades. c. a concept often used in the past by defense attorneys. d.an experimentally established phenomenon.