Importance: The Sensory Processing Three Dimensions (SP3D) Occupational Performance Scale (OPS) is a new parent-report measure developed for use as part of a comprehensive occupational therapy evaluation for children with sensory processing and integration challenges.

Objective: To examine the internal consistency and discriminant validity of the SP3D OPS, examine relations between sensory processing subtypes and areas of occupational performance (OP), and determine the extent to which specific sensory processing challenges predict problems with OP.

Design: Nonexperimental, descriptive design using correlations, group comparisons, and stepwise regression.

Setting: Three outpatient clinic sites in the United States.

Participants: Parents of 66 children (33 typically developing and 33 with clinical problems) ranging in age from 4 to 12 yr.

Outcomes and Measures: The SP3D OPS and SP3D Inventory were completed by parents to address psychometrics of the SP3D OPS and determine the association between sensory processing and integration challenges with OP.

Results: Internal consistency reliability and discriminant validity of the SP3D OPS were supported. Scores on the Dyspraxia and Sensory Overresponsivity subscales best predicted deficits in OP. Significant relations were found between sensory processing and integration and competency in multiple OP areas.

Conclusions and Relevance: The SP3D OPS shows promise as a measure of OP. The OP deficits among children with sensory processing and integration challenges are in part due to subtype presentation. Further studies of the SP3D OPS’s reliability and validity are needed.

What This Article Adds: This new occupational performance measure shows associations between sensory processing and OP areas. It can provide information to support therapists in identifying family concerns relevant to goal setting and intervention.

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