Goldberg, L S Third-year summary of IES Arrow-Dot longitudinal comparisons in preschool children. [electronic resource] - Perceptual and motor skills Apr 1977 - 627-30 p. digital Publication Type: Journal Article ISSN: 0031-5125 Standard No.: 10.2466/pms.1977.44.2.627 doi Subjects--Topical Terms: Child, PreschoolEgoHumansImpulsive BehaviorLongitudinal StudiesPersonality AssessmentPersonality DevelopmentSuperego