A good friend tells you she wants to run a tightly controlled study in the lab to prevent
extraneous variables from affecting the results, even if it means her results will not have much
relevance to behavior in the real world (i.e.
, outside the lab). What factor seems most important
to her?
A) external validity B) internal validity
C) interaction effects D) reliability
B
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What are the smallest units of meaning in a language?
a. phonemes b. morphemes c. graphemes d. syllables e. letters of the alphabet
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.
You are asked to look through an opening into what appears to be an ordinary room that has a small boy standing in the left corner. As the boy walks from the left corner to the right corner, he appears to grow very large. You have just experienced the illusion created by
a. retinal disparity. b. the Gestalt principle of contiguity. c. physiological nystagmus. d. the Ames room.
Explain the purpose of informed consent, confidentiality, and debriefing in research using
human participants. What will be an ideal response?