Dementia Knowledge Assessment Scale: Development and Preliminary Psychometric Properties
Dementia Knowledge Assessment Scale: Development and Preliminary Psychometric Properties
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DOI：
10.1111/jgs.13707
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发表时间：
2015-11-01
影响因子：
6.3
通讯作者：
Robinson, Andrew L.
中科院分区：
文献类型：
--
作者：
Annear, Michael J.;Toye, Christine M.;Robinson, Andrew L.
目的：开发一个可靠有效的痴呆知识量表，以解决现有措施的局限性，支持不同人群的知识评估，并为教育干预的发展提供信息。采用系统的量表编制过程，对痴呆知识评定量表（DKAS）的心理测量学特性进行了构建和评价该研究的数据是在在线环境中和澳大利亚临床痴呆症护理安置期间生成的。（n = 1，321）和国际受访者（n = 446）。（n = 1，651），临床安置在老年护理机构的医学生（n = 40），和澳大利亚卫生工作者（n = 76）测量DKAS的心理测量学特性是通过文献回顾来评估量表项目的准确性，在试点测试期间的应答者反馈，与痴呆专家的德尔菲研究，专家组的构建和评审，项目难度、项目-总分和项目相关性的评价。主成分分析（PCA）也进行了沿着与重测信度，内部一致性，结构效度，并发validity.ResultsThe试点DKAS分析过程中从40项减少到27项。主成分分析确定了四个不同的和可解释的因素。修订后的DKAS显示高水平的重测信度;内部一致性;和初步的结构，并发，和factorial validity.ConclusionThe 27项DKAS是可靠的，并显示初步的有效性评估的知识不足和变化，在那些谁提供照顾和治疗痴呆症的人。
ObjectivesTo develop a reliable and valid dementia knowledge scale to address limitations of existing measures, support knowledge evaluation in diverse populations, and inform educational intervention development.DesignA five-stage, systematic scale development process was employed to construct and assess the psychometric properties of the Dementia Knowledge Assessment Scale (DKAS).SettingData for the study were generated in an online environment and during clinical dementia care placements from Australian (n = 1,321) and international respondents (n = 446).ParticipantsVolunteers from a dementia-related massive open online course (n = 1,651), medical students on clinical placement in a residential aged care facility (n = 40), and members of the Australian health workforce (n = 76).MeasurementsPsychometric properties of the DKAS were established using a literature review to assess the veracity of scale items, respondent feedback during pilot testing, a Delphi study with dementia experts, construction and review by an expert panel, evaluation of item difficulty, item-total and interitem correlations. Principal components analysis (PCA) was also performed along with measures of test-retest reliability, internal consistency, construct validity, and concurrent validity.ResultsThe pilot DKAS was reduced from 40 to 27 items during analysis. PCA identified four distinct and interpretable factors. The revised DKAS displays high levels of test-retest reliability; internal consistency; and preliminary construct, concurrent, and factorial validity.ConclusionThe 27-item DKAS is reliable and shows preliminary validity for the assessment of knowledge deficiencies and change in those who provide care and treatment for people with dementia.