Vick, C. C., & Conner, P. (2009). Porter-Leath Early Childhood Home Visitation program year 5 evaluation report. Memphis, TN: University of Tennessee Health Science Center, Department of Preventive Medicine. Model(s): Home Instruction for Parents of Preschool Youngsters (HIPPY)® Not applicable (NA) - implementation study Study reviewed under: Handbook of Procedures and Standards, Version 1