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Purdue Pegboard
Please visit this website for more information about the instrument:Lafayette Instrument Co.

Psychological Assessment Resources (PAR)

Devices may be purchased through multiple vendors
Available in the public domain; however, testing requires additional devices (cost may vary).
Supplemental: Epilepsy, Mitochondrial Disease (Mito), Neuromuscular Diseases (NMD), Spinal Muscular Atrophy (SMA), Myotonic Muscular Dystrophy (DM), and Congenital Muscular Dystrophy (CMD).
Exploratory: Cerebral Palsy (CP)
Short Description of Instrument
Purpose: Assess fine motor speed, fine coordination, and hand dexterity.
Ages: 2 years, 6 months and older
Alternative Language: This is a non-linguistic test that can be administered using Spanish directions.
Time Estimate: 5-10 minutes
Scoring Estimate: < 5 minutes
Four subtests comprise the test; right hand (RH), left hand (LH), both hands (BH), and assembly.
For the performance of the RH and LH subtests, participants use their right hand (dominant) and then left hand (non-dominant) to place as many pins as possible down the respective row within 30 seconds. The score of each subtest is the total number of pins placed by each hand in the allowed time. The BH subtest is a bimanual test where the participants use their right and left hand simultaneously to place as many pins as possible down both rows in 30 seconds. The score for this subtest is the total number of pairs of pins placed in 30 seconds. The assembly subtest requires that both hands work simultaneously while performing different tasks for 60 seconds. The score of this subtest is the total number of pins, washers and collars placed in 60 seconds.
Each stage of the test is administered three times.
Comments/Special Instructions
Purdue Pegboard is one of the best methods to evaluate fine dexterity and coordination of hand. In the test, memory and learning are important. Remembering the steps of the subtest immediately influences the scores, especially in the assembly subtest. Formal assessment of motor function is a common component of neuropsychological testing and is sensitive to the presence of epilepsy, independent of AED induced motor slowing. Although the Grooved Pegboard is the recommended CDE for older children and adults, the Purdue Pegboard is the recommended test for children 5 years of age and younger. This is due to an absence of adequate normative information in this age range for the Grooved Pegboard Test, and recognition that there is less of a fine motor component to the Purdue Pegboard Test since it does not require the participant to rotate slotted pegs to fit into the pegboard (pegs for the Purdue Pegboard are round).
Scoring and Psychometric Properties
Scoring: Time to completion is obtained for both dominant and non-dominant hands. Raw scores should also be reported. Unless there is a goal of lateral asymmetries, the dominant hand speed should be considered primary, and the non-dominant hand speed should be considered secondary. Unlike the Grooved Pegboard, the Purdue Pegboard has an additional administration condition in which pegs are inserted using both hands simultaneously.
Primary Dependent Measure: Dominant hand time to completion.
Optional Secondary Measures: Non-dominant hand time to completion, Time to completion for both hands simultaneously, Number of peg drops
Psychometric Properties: Normative data can be found in Baron (2004) and Strauss et al. (2006).
Key Reference:
Strauss E, Sherman EMS, Spreen O. A Compendium of neuropsychological tests: Administration, norms, and commentary. 3rd ed. New York: Oxford University Press; 2006. 1042 p.
Additional References:
Baron IS. Neuropsychological evaluation of the child. New York: Oxford University Press; 2004.
Buddenberg LA, Davis C. Test-retest reliability of the Purdue Pegboard Test. Am J Occup Ther. 2000 Sep-Oct;54(5):555-8.
Golden CJ, Espe-Pfeifer P, Wachsler-Felder J. Neuropsychological Interpretations of Objective Psychological Tests. New York: Springer; 2000. 26 p.
Reddon JR, Gill DM, Gauk SE, Maerz MD. Purdue Pegboard: test-retest estimates. Percept Mot Skills. 1988 Apr;66(2):503-506
Document last updated March 2024