Cooke Deirdre M, McKenna Kryss, Fleming Jennifer, Darnell Ross
Division of Occupational Therapy, School of Health and Rehabilitation Sciences, University of Queensland, Brisbane, Australia.
Scand J Occup Ther. 2006 Mar;13(1):49-61. doi: 10.1080/11038120500363014.
This paper reports on the construct validity (scale design and convergent validity) and ecological validity of the Occupational Therapy Adult Perceptual Screening Test (OT-APST). The performance of 208 participants following stroke on the OT-APST and a reference tool (either the Loewenstein Occupational Therapy Cognitive Assessment (LOTCA) or the LOTCA-Geriatric version (LOTCA-G)) was compared. The OT-APST performance of the stroke sample was compared with a healthy normative sample (n = 356). The relationship between the OT-APST performance and the Functional Independence Measure (FIM) score of the participants following stroke was also examined. Factor analysis and internal consistency results supported the scale design of the OT-APST. Significant correlations between the performance of the participants following stroke on the OT-APST and the reference tool supported the convergent validity of the OT-APST. The ability of the OT-APST to separate the two participant groups provided further evidence of its construct validity. Significant correlations between OT-APST and FIM scores supported the ecological validity of this tool. This study shows that the OT-APST is an ecologically valid tool with demonstrated construct validity in the assessment of visual perception.
本文报告了成人职业治疗感知筛查测试（OT-APST）的结构效度（量表设计和收敛效度）及生态效度。比较了208名中风患者在OT-APST和一种参考工具（洛温斯坦职业治疗认知评估（LOTCA）或LOTCA老年版（LOTCA-G））上的表现。将中风样本的OT-APST表现与一个健康常模样本（n = 356）进行了比较。还研究了中风患者的OT-APST表现与功能独立性测量（FIM）得分之间的关系。因子分析和内部一致性结果支持了OT-APST的量表设计。中风患者在OT-APST上的表现与参考工具之间的显著相关性支持了OT-APST的收敛效度。OT-APST区分两组参与者的能力进一步证明了其结构效度。OT-APST与FIM得分之间的显著相关性支持了该工具的生态效度。本研究表明，OT-APST是一种生态效度良好的工具，在视觉感知评估中具有已证明的结构效度。
