伦理问题量表的编制与心理测量学评估。
The development and psychometric evaluation of the Ethical Issues Scale.
作者信息
Fry S T, Duffy M E
机构信息
Center for Nursing Research, School of Nursing, Boston College, 3rd Floor Cushing Hall, 140 Commonwealth Avenue, Chestnut Hill, MA 02467-3812, USA.
出版信息
J Nurs Scholarsh. 2001;33(3):273-7. doi: 10.1111/j.1547-5069.2001.00273.x.
PURPOSE
To describe the Ethical Issues Scale (EIS), its conceptual development and psychometric evaluation, and its uses in determining how frequently nurses experience ethical issues in practice.
DESIGN
The EIS was validated with a sample (N = 2,090) of New England registered nurses (RNs) currently in practice. The sample was randomly split into two approximately equal samples. The calibration sample was used to derive the underlying components; the validation sample was used to confirm the component structure.
METHODS
Psychometric analysis of the 35-item EIS included: (a) item analysis, (b) confirmatory principal components analysis (PCA), and (c) internal consistency reliability using Cronbach's alpha.
RESULTS
Three components (end-of-life-treatment issues, patient care issues, and human rights issues) were demonstrated, confirming the original conceptually-derived structure. The calibration sample accounted for 42.4% of initially extracted common variance; the validation sample accounted for 41.5% of initially extracted common variance.
CONCLUSIONS
The three EIS subscales had satisfactory internal consistency reliability and factorial validity for use as independent scales in future studies.
目的
描述伦理问题量表（EIS）、其概念发展和心理测量评估，以及其在确定护士在实践中遇到伦理问题的频率方面的用途。
设计
EIS在一组目前正在执业的新英格兰注册护士（RN）样本（N = 2,090）中进行了验证。该样本被随机分成两个大致相等的样本。校准样本用于推导潜在成分；验证样本用于确认成分结构。
方法
对包含35个条目的EIS进行心理测量分析，包括：（a）项目分析，（b）验证性主成分分析（PCA），以及（c）使用克朗巴赫α系数的内部一致性信度分析。
结果
证实了三个成分（临终治疗问题、患者护理问题和人权问题），确认了最初从概念上推导出来的结构。校准样本占最初提取的共同方差的42.4%；验证样本占最初提取的共同方差的41.5%。
结论
EIS的三个分量表具有令人满意的内部一致性信度和因子效度，可在未来研究中用作独立量表。
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