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With the infant version of the trusted, widely used CLASS® tool, early childhood programs have an accurate and reliable way to assess teacher-infant interactio

This manual includes detailed descriptions of the 8 CLASS Toddler dimensions, administration procedures, and information about the tool's development.

The Teaching Pyramid Infant-Toddler Observation Scale (TPITOS(TM)) is an assessment instrument designed to measure the fidelity of implementation of practices a

Whether you're new to the CLASS® framework or honing your skills, this booklet will ground you in the domains and dimensions that make up the CLASS Infant fram

Revision of: Handbook of infant, toddler, and preschool mental health assessment / edited by Rebecca DelCarmen-Wiggins, Alice Carter. 2004.