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Four items with I-CVI scores &lt;.83 were retained due to conceptual significance. The overall scale CVI was 0.86. Items evaluated by caregivers for face validity showed excellent variability in responses, with no major ceiling or floor effects.<jats:bold>Conclusions:<\/jats:bold>LBD-CAS showed evidence of content and face validity for the assessment of activities performed by LBD caregivers. Further psychometric testing is recommended.<\/jats:p>","DOI":"10.1891\/jnm-2021-0100","type":"journal-article","created":{"date-parts":[[2023,6,23]],"date-time":"2023-06-23T18:24:25Z","timestamp":1687544665000},"page":"606-614","source":"Crossref","is-referenced-by-count":1,"title":["Development and Validation of the Lewy Body Disease Caregiver Activities Scale"],"prefix":"10.1891","volume":"31","author":[{"given":"Kelly E.","family":"Stacy","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joshua","family":"Lambert","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rhonna","family":"Shatz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tamilyn","family":"Bakas","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"793","published-online":{"date-parts":[[2023,6,23]]},"reference":[{"issue":"3","key":"2023120100201562000_31.4.606.1","first-page":"327","article-title":"Alzheimer\u2019s disease facts and figures","volume":"17","author":"Alzheimer\u2019s Association","year":"2021","journal-title":"Alzheimer\u2019s & Dementia"},{"key":"2023120100201562000_31.4.606.2","unstructured":"American Educational Research Association, American Psychological Association, & National Council on Measurement in Education. 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