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suppressor effect
suppressor effect In cognition research, a suppressor effect is an apparent finding in which a variable seems to improve prediction, but the pattern may actually be caused by multicollinearity between predictors rather than a real predictive relationship.
In cognition research, a suppressor effect is an apparent finding in which a variable seems to improve prediction, but the pattern may actually be caused by multicollinearity between predictors rather than a real predictive relationship. Small samples can make this kind of artifact harder to rule out.