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. Author manuscript; available in PMC: 2024 Feb 1.
Published in final edited form as: Res Dev Disabil. 2023 Jan 3;133:104416. doi: 10.1016/j.ridd.2022.104416

Table 2.

Evaluation of practice effects and test–retest reliability

Time 1, Mean (SD) Time 2, Mean (SD) t a p Cohen’s d ICC
Rule-Shift Total Incorrect (n = 58) 5.40 (5.54) 4.38 (4.86) 1.93 0.06 0.25 0.69
Weigl Sorting (n = 82) 2.22 (1.56) 2.66 (1.74) −3.32 <0.01 −0.37 0.71

Note: Means and standard deviations reported for participants who completed measures at both time 1 and time 2.

a

Differences based on paired-samples t-tests