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Kettle test--a brief measure of cognitive functional performance. Reliability and valdity in stroke rehabilitation
Adina Hartman-Maeir1, Hagit Harel, Noomi Katz
1School of Occupational Therapy, Hadassah and Hebrew University, Mount Scopus, POB 24026, Jerusalem 91240 amaeir@mscc.huji.ac.il
Objectives:
We examined the reliability and validity of the Kettle Test, a brief performance measure based on a complex everyday task designed to tap into basic and higher level cognitive processes.
Method:
Participants included 21 people attending stroke rehabilitation and 4 occupational therapists for the reliability analysis, 36 people at discharge from stroke rehabilitation, and 36 age-matched healthy control participants for the validity analyses. Instruments included a battery of conventional cognitive measures and functional outcomes.
Results:
Interrater reliability was found to be high. Stroke survivors at discharge from rehabilitation were found to require significantly more assistance on the Kettle Test than control participants (p < .000); their scores on the Kettle Test were significantly and moderately correlated with the conventional cognitive and functional outcome measures.
Conclusions:
The results support the reliability and validity of the Kettle Test as a top-down measure of cognition-in-function in people at discharge from stroke rehabilitation.
