When random assignment fails to create equivalent groups, the problem of _____ occurs.

A) sampling error
B) self-selection
C) third variables
D) external validity


C) third variables

Psychology

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ISLE 12.3: McGurk EffectClick on the above link to work though the ISLE activity.  Once you've completed the activity, navigate back and answer the following question.A research participant is watching a video of a speaker's lips mouthing the syllable "pa." The accompanying soundtrack, however, plays the syllable "ka." The McGurk effect suggests that the participant should report hearing ______.

A. "pa" B. "ka" C. either "pa" or "ka" D. neither "pa" nor "ka"

Psychology

In learning basic math, poorly performing students

A) use drill in computing rather than "number sense." B) are often unable to learn how to compute numbers by rote. C) try to retrieve answers from memory too soon. D) use simplistic techniques.

Psychology

Within the nucleus of every human cell are 46 thread-like structures that hold the coded instructions of heredity

These 46 structures are called a. gametes. b. DNA organic acids. c. chromosomes. d. genes.

Psychology

The ________ perspective contends that people have a natural capacity to control their behavior

a) behavioral b) social-cognitive c) cognitive neuroscience d) humanistic

Psychology