Rachel K. Petrak, MPH

Over 3000 hours of clinical experience:
700 hours at Lepak and Associates with children with ASD, all developmental levels, under direct clinical supervision
2300 hours of in-home early intensive behavioral intervention with children with autism, detached supervision

Verbal Behavior

Based on Skinner’s principles of verbal behavior.
Trained in multiple interpretations of these ideas (Sundberg & Partington 2---, 

Applied Behavior Analysis

Trained in Lovaas techniques

Clinical Assessment Instrument Training

Training and practice in the administration, clinical, and research application of:

• Intervention techniques for children with a developmental disability:
• Applied Behavior Analysis
• Floortime
• Picture Exchange Communication Systems
• Social Stories
• Verbal Behavior
• Intelligence assessment measures:
• Bailey Infant Development Scales - Second Edition
• Mullen Learning Scales
• Wechsler Preschool and Primary Scale of Intelligence - Third Edition
• Language development assessment tools:
• Assessment of Basic Language and Learning Skills - Revised
• Clinical Evaluation of Language Fundamentals - Preschool, Second Edition
• Communication and Symbolic Behavior Scales Developmental Profile (CSBS-DP)
• MacArthur Bates Communicative Developmental Inventories
• Peabody Picture Vocabulary Test - Third Edition
• Preschool Language Scale - Fourth Edition
• Behavioral assessment tools:
• Autism Diagnostic Interview – Revised (ADI-R)
• Worked on developing the ADI-Toddler, used only in research
• Autism Diagnostic Observation Schedule (ADOS)
• Worked on developing the ADOS-Toddler
• Autism Observation Scale for Infants (AOSI)
• Child Behavior Checklists
• Sensory Profile