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The Child Oral and Motor Proficiency Scale (ChOMPS) Development

Assessment tools should be both reliable and valid. Reliable tools are consistent, which means if you tested the same child twice in the same week, they should get the same score both times. Valid tools are accurate, which means they measure what they say they measure.

There are many ways to establish that a tool is reliable and valid. The important piece to look for is that both the reliability and validity have been tested.

There are three publications that describe how the Child Oral and Motor Proficiency Scale (ChOMPS) was developed, including its reliability and validity.

Publication 1: Development and Content Validation of the Child Oral and Motor Proficiency Scale (ChOMPS)

Published in the Journal of Early Intervention, 2019

This publication describes how the items for ChOMPS were developed and establishes the tool’s validity. The initial items for the ChOMPS were generated from a review of the literature. Then, 19 professionals rated the items using established content validity indices. Based on the feedback from professionals, revisions were made to the items. Finally, the team solicited feedback from 19 parents to ensure the items were understandable, and additional revisions were made based on their feedback.

Publication 2: Factor Structure and Psychometric Properties of the Child Oral and Motor Proficiency Scale

Published in the Journal of Early Intervention, 2019

This publication describes how the reliability and validity of the tool was tested. The team used psychometric methods to identify sub-scales, assess validity, and establish reliability. Based on this testing, the tool demonstrated strong reliability and validity.

Publication 3: Age-Based Norm Reference Values for the Child Oral and Motor Proficiency Scale (ChOMPS)

Published in Acta Paediatrica, 2018

While not required, a tool that has age-based norm-reference values can help you understand how one child’s score compares to other children their age. Over 1000 parents of children 6 months to 7 years completed the ChOMPS to determine what typical scores are at different ages. When you download the ChOMPS, you will be able to see cut-off scores that indicate how concerning a child’s scores are by subsection.