Mellberg K. The Wartegg Drawing Completion Test as a predictor of adjustment and success in industrial school.Scand. J. Psychol., 1972,13, 34–38.—The WDCT, a projective personality test, was administered to 284 elementary‐school boys when they were seeking entry to the industrial school. Two years later, their school performance and teacher‐rated adjustment were recorded. The validity of the prediction from the WDCT relative to these criteria was tested on the basis of analytical and intuitive interpretations of the WDCT. The analytical interpretations showed only slight predictive validity. Even intuitive interpretations had a low validity. In the intuitive interpretations trained psychologists used only 4 of 53 analytical WDCT‐