LOTCA visual subtests didn't work as designed in 101 cognitively intact Taiwanese adults. A low score on these tasks may mean the person doesn't recognise the object, uses a different word for the shape, or builds differently — not that their thinking is impaired.
The seven LOTCA visual subtests showed poor internal consistency (VP α = .35, VC α = .49), and the factor structure did not reproduce the original VP and VC domain split.
Expert content validity was modest: S-CVI/Ave was .56 for VP and .71 for VC, both below the .90 threshold the authors set as their adequacy criterion.
After Bonferroni correction, age was significantly associated with Shape Identification and Reproduction of a Two-Dimensional Model performance (both in the negative direction), and gender was significantly associated with the latter, with males scoring higher.
Single-blind randomized controlled trial. Sixty-four participants were randomized across two intervention arms and assessed at twelve weeks for the primary outcome…
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