catch trial

a trial within an experiment in which a stimulus is not present but the participants’ responses nonetheless are recorded. For example, in an experiment in which participants identify auditory signals, catch trials are those in which no signal is given. The use of a catch trial may help to estimate the level at which a participant is guessing when no stimulus is present. See also blank trial.

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Psychology term of the day

May 10th 2024

masking level difference (MLD)

Sorry, "masking-level-difference-mld" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.