APA Dictionary of Psychology

residual

Updated on 04/19/2018

n. in regression analysis, the difference between the value of an empirical observation and the value predicted by a model. Analysis of residuals allows a researcher to judge the fit or appropriateness of the model for the data.
adj. denoting a condition in which acute symptoms have subsided but chronic or less severe symptoms remain.
adj. denoting remaining ability (e.g., residual hearing) or a remaining disability (e.g., residual loss of vision) after a trauma or surgery.

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