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Title: Testing psychometric properties of a Chinese version of perception of aggression scale
Authors: Wong, WKT 
Chien, WT 
Keywords: Aggression
Nursing students
Psychometric testing
Attitude towards patients
Issue Date: Feb-2017
Publisher: Elsevier
Source: Asian journal of psychiatry, Feb. 2017, v. 25, p. 213-217 How to cite?
Journal: Asian journal of psychiatry 
Abstract: Aim: This study was to evaluate the psychometric properties of the Chinese version of the 12-item Perception of Aggression Scale (POAS).
Method: It consists of three phases of testing, including (1) translation and back-translation and content validity; (2) semantic equivalence between translated Chinese and original English version; and (3) construct validity, internal consistency and test-retest reliability.
Results: The translated Chinese and back-translated English version showed excellent similarities and agreements between two independent translators. The Chinese version indicated high item-and scale-level content validity indexes (0.86-1.00) and satisfactory semantic equivalence with the original English language version (weighted kappa = 0.48-0.90; intraclass correlation coefficient = 0.91). Exploratory factor analysis in 249 nursing students resulted in three components (dysfunctional, functional and protective dimensions), explaining 64% of the total variance, with satisfactory internal consistency (Cronbach's alpha = 0.76-0.83) and good 2-week test-retest reliability (Pearson's r = 0.87). The Chinese version of POAS was found to be a valid and reliable tool to examine nurses' attitudes towards patient aggression.
Discussion: Chinese nurses in this study viewed patient aggression to be an undesirable negative behaviour suggestive of uncontrollability behaviour presented by the patient under their care.
ISSN: 1876-2018
EISSN: 1876-2026
DOI: 10.1016/j.ajp.2016.10.030
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