The standardised Malay version of purdue pegboard test: Content validity and test-retest reliability testing.
Yin Sin Poo, Siaw Chui Chai, Poh Im Goh and 2 others
PMID 38027054WHAT IT FOUND
The Malay wording of the Purdue Pegboard Test was accepted by experts, but one trial gave poor repeat scores.
Three trials made scores steadier, though retest scores rose, likely practice.
Key findings
01Ten occupational therapy experts rated the Malay instructions from 0.9 to 1.0 on relevance, clarity, simplicity and ambiguity.
02When participants did the test once, repeat scores were poorly consistent, with ratings from 0.34 to 0.46.
03The three-trial administration had good repeat consistency, with ratings from 0.76 to 0.85, but retest scores were still significantly higher.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The reliability testing used 60 undergraduate students with no hand injury, so it does not show how the test performs in people with health conditions. The one-trial administration had poor repeat consistency, so a single trial may not give dependable scores with the Malay version. Scores were significantly higher at retest in both administration methods, so a change after the retest interval used in the study may reflect practice rather than real change in hand dexterity. Inter-rater reliability was not tested, so the study cannot show that different therapists would get the same result. Only the subtest instructions were translated, while the general explanation about the test was not translated. The sample was selected by convenience and was small, so the findings may not apply to wider Malay-speaking populations.
Declared interests
No funding or conflict-of-interest statement is provided in the supplied text. The Lafayette Instrument Company, USA, gave permission to translate the test.
The easy way to misread this
Do not assume the Malay version is dependable for single-trial use. The one-trial administration had poor repeat consistency, and scores were significantly higher on retest, so a later higher score may be practice rather than true change.