克朗巴赫阿尔法
比例(比率)
可靠性(半导体)
德尔菲法
内容有效性
考试(生物学)
评定量表
相关性
统计
心理学
计算机科学
应用心理学
心理测量学
临床心理学
数学
量子力学
几何学
生物
物理
古生物学
功率(物理)
作者
Yu-Shiun Tsai,Tien-Pei Fang,Ching‐Chi Chi
摘要
Abstract Rationale The ability to acquire the best evidence efficiently is an important competency for busy health‐care professionals who must make decisions quickly. Aims and objectives We aimed to develop and validate a scale for measuring evidence‐searching capability. Methods We first developed a scale for measuring evidence‐searching capability by using the modified Delphi technique. Seven experts commented on a draft 33‐item scale on a 5‐point scale. All items rated less than three by any expert were removed. The items were modified or merged considering experts' feedback. When all items were rated greater than or equal to 3 by all experts with an interquartile range of less than or equal to 1, a consensus on the scale was achieved with the content validity constructed. We performed a pilot test and a formal test, and evaluated the interrater, intra‐rater, and internal reliability by calculating the intra‐cluster correlation coefficient (ICC), kappa correlation coefficient, and Cronbach's α. Results We developed a scale consisted of 15 items and a global rating score, with an average scale‐content validity index of 0.98. In the pilot test, the ICC for inter‐rater and intra‐rater reliability was 0.91 and 1, respectively. The Cronbach's α was 0.90. In the formal test, the ICC for inter‐rater reliability ranged from 0.61 to 1 and the weighted kappa correlation coefficient ranged from 0.27 to 1, with a Cronbach's α of 0.97. Conclusions This study is the first to develop and validate a scale for measuring evidence‐searching skills through a systematic approach. The scale is composed of 15 items and a global rating score that can be easily used in objective assessment of knowledge‐acquiring ability.
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