The validity of congitive, perceptual-motor and personality variables for prediction of achievement in grade I and grade II.
D000124:Achievement; D000704:Analysis of Variance; D002648:Child; D003071:Cognition; D006801:Humans; D007361:Intelligence Tests; D009048:Motor Skills; D010465:Perception; D010551:Personality; D010552:Personality Assessment; D011581:Psychological Tests