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Interrater reliability of the Peabody Developmental Motor Scales: fine motor scale
A R Gebhard1, K J Ottenbacher, S J Lane
1Mary Cariola Children's Center, Rochester, New York.
Objective:
The interrater reliability of the Peabody Developmental Motor Scales (PDMS) fine motor scale was examined in 23 children with developmental disabilities who were between 2 years and 5 years of age.
Method:
Three occupational therapists viewed videotapes of the children and scored each child's performance on the fine motor section of the test. Data were analyzed with the intraclass correlation (ICC) approach; ICC values ranged from 0.90 to 0.97 for the subskills of Grasping, Hand Use, Eye-Hand Coordination, and Manual Dexterity.
Results:
The ICC interrater reliability value for the total fine motor score was 0.99. Reliability values were additionally computed with the PDMS fine motor scale age-equivalent scores and Z scores. The ICC values for these methods of scoring the PDMS were 0.99 and 1.00, respectively.
Conclusion:
The PDMS fine motor scale can be used consistently to evaluate fine motor delays in this population of young children.