Efficient Language Sampling for Deaf and Hard of Hearing Children: Evaluating Reliability Across Length, Timing, and Context.
Meganne Muir, Adriana M Valtierra, Angie Walker and 2 others
PMID 42490179WHAT IT FOUND
For deaf and hard of hearing preschool children's spoken English samples, 3 to 5 minutes were enough for reliable language measures; 1-minute beginning samples were not.
Timing and play versus conversation mattered little.
Key findings
013-minute, 5-minute, and 7-minute samples reached sufficient reliability for all four language measures.
021-minute samples taken from the start of a task did not reach the reliability threshold for any measure.
03Sample timing and elicitation context had little practical impact on reliability.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
21 children were studied, and the paper could not analyse whether reliability differs across hearing levels, technology use, or language background. The study tested consistency within the same recording, not whether brief samples can diagnose language difficulty or track change. The reliability check was mainly within one transcript per context, not across separate sessions. The order of play and conversation was not counterbalanced.
Declared interests
Federal grants from Project REACH and the National Institute on Deafness and Other Communication Disorders funded the study. The authors state that the contents do not necessarily represent the policy of the funders and that federal endorsement should not be assumed.
The easy way to misread this
Do not treat 3- to 5-minute samples as validated for diagnosis or progress monitoring. The study showed that the measures were consistent within the same recording, not that they accurately identify language problems or change over time.