Lists of monosyllables for logoaudiometric tests: elaboration, content validation and search for equivalence.
Ana Valéria de Almeida Vaucher, Lidiéli Dalla Costa, Anaelena Bragança de Moraes and 2 others
PMID 35019086WHAT IT FOUND
New Portuguese monosyllable lists are ready for clinical use.
Two lists are equivalent and suitable for testing. A third works as a training list. A fourth was excluded because it was too easy. These results apply only to the specific digital recordings tested.
Key findings
01Two lists (L1 and L2) showed equivalent performance in normal-hearing adults, while a third (L4) was similar enough to serve as a training list.
02One list (L3) was excluded from the final set because it resulted in significantly higher scores, indicating it was easier than the others.
03The validated lists are recorded digitally; if the words are re-recorded, presented live, or reordered, new validation studies are required.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The validation was performed only on normal-hearing adults. It is unknown if the lists remain equivalent for patients with hearing loss, who may struggle more with certain frequencies or phonemes. The equivalence relies on a specific noise-masking protocol (speech noise at 30 dB HL). Changing this protocol may alter the relative difficulty of the lists. Participants were selected by convenience sampling, which may limit how well they represent the general population. The study did not test the lists' ability to correctly diagnose hearing conditions or their performance in children or older adults.
Declared interests
No specific funding sources or conflicts of interest are declared in the provided text.
The easy way to misread this
Do not assume these lists are equivalent if you present them using live voice or different recordings. The validation applies only to the specific digital files created for this study. Also, do not use the excluded list (L3) for testing, as it was found to be easier than the others and would likely overestimate a patient's speech recognition ability.