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This study suggests that one maximal trial is as reliable as and less painful than either the best of, or, mean of three trials.
Clinically acceptable levels of reliability (≥0.91) were demonstrated by all three methods of grip strength testing other than the mean of three trials for the asymptomatic group.
High levels of test retest reliability (intraclass correlation coefficient ≥ 0.91) were found for both one trial and the mean of three trials of pain-free grip strength testing.
The purpose of the study was to evaluate the test retest reliability of one vs. the mean of three trials of pain-free grip strength in participants with rheumatoid arthritis (RA).
High levels of test retest reliability (ICC ≥ 0.85) were found for the three methods of grip strength testing (one trial, the mean of three trials, and the best of three trials).
The coefficient of variation is calculated as the standard deviation divided by the mean of three trials.
Similar(45)
We compared the mean of two trials, 2(Z) and 2(D), after a F-test for homogeneity of variance in all measurement criteria.
We compared the mean of two trials, 1(W) and 1(Z), after a F-test for homogeneity of variance in all measurement criteria.
To reach a plateau in the learning curve, the novices had to perform a mean of two trials for the pipe cleaner task, five for the rubber band, seven for the beads and five for the circle cutting.
29 The mean of two trials was used for analysis.
Gait speed was reported as a mean of six trials.
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