JoAnn (JJ) Johnson, Ph.D., is Director of the Research and Educational Planning Center and Nevada University Center for Excellence in Developmental Disabilities at the University of Nevada-Reno. She also has an adjunct faculty appointment in Curriculum and Instruction and teaches courses in early intervention and program evaluation. Her professional experience includes hospital-, home-, and center-based early intervention and developmental services; developmental assessment and evaluation; supervision and program coordination; and university and outreach training and instruction. Since 1998, D...