experiment

n. a series of observations conducted under controlled conditions to study a relationship with the purpose of drawing causal inferences about that relationship. An experiment involves the manipulation of an independent variable, the measurement of a dependent variable, and the exposure of various participants to one or more of the conditions being studied. Random selection of participants and their random assignment to conditions also are necessary in experiments. —experimental adj.

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Psychology term of the day

November 22nd 2024

colitis

n. inflammation of the colon, the main part of the large intestine. Colitis may be caused or aggravated by emotional disturbances, such as depression or anxiety.