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MMLU / When cross-validation of a set of predictors results in great shrinkage of an…

Problem

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question

When cross-validation of a set of predictors results in great shrinkage of an initially encouraging multiple correlation coefficients, it is most likely chat

choices

  1. the selection of weights for the predictors capitalized on chance
  2. none of the predictor variables was sufficiency reliable
  3. the number of independent variables used in the first study was too small
  4. the criterion variable was unreliable

subject

professional_psychology

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