Article InformationAuthors: Leung, J. P. Year: 1994Publication: Journal of Behavioral EducationVolume: 4Issue: 1Pages: 21-31DOI: 10.1007/BF01560506 Final Quality and Data Extraction DecisionsAge: 36-71.9 months (3-5.9 years)6-11.9 yearsDomains: CommunicationIntervention: Time delay