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Ames room

an irregularly shaped but apparently rectangular room in which cues for depth perception are used experimentally to distort the viewer’s perception of the relative size of objects within the room. Also called Ames distorted room. [Adelbert Ames Jr. (1880–1955), U.S. psychologist, inventor, and artist]

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Psychology term of the day

March 9th 2025

true experiment

true experiment

a study in which participants are assigned at random to two or more experimentally manipulated treatment conditions or to a treatment group and a control group. This type of experiment is in contrast to quasi-experimental designs, such as natural experiments and field experiments.