一种旨在评估南非和坦桑尼亚基于学校的艾滋病毒/艾滋病干预措施的研究工具的开发及其重测信度。
Development and test-retest reliability of a research instrument designed to evaluate school-based HIV/AIDS interventions in South Africa and Tanzania.
作者信息
Mũkoma Wanjirũ, Flisher Alan J, Helleve Arnfinn, Aarø Leif Edvard, Mathews Catherine, Kaaya Sylvia, Klepp Knut-Inge
机构信息
Division of Child and Adolescent Psychiatry, University of Cape Town, Red Cross War Memorial Children's Hospital, South Africa.
出版信息
Scand J Public Health. 2009 Jun;37 Suppl 2:7-15. doi: 10.1177/1403494809103995.
AIMS
This article reports on the development and psychometric properties of an instrument to evaluate school-based HIV/ AIDS interventions aimed at adolescents in three African sites.
METHODS
The instrument was developed in a series of steps that involved a review of existing instruments; use of empirical data and secondary literature supporting an association between the variables of interest and sexual intercourse or condom use; operationalizing the constructs of the theoretical model employed; and using the objectives of the intervention. Test-retest reliability studies were conducted at each site.
RESULTS
The questionnaire demonstrated good internal consistency and adequate test-retest reliability. Cronbach's alpha was higher than 0.50 for all the 10 psychosocial scales, while Cohen's kappa showed poor to substantial test-retest reliability on the sexual behaviour items (kappa = 0.14 to 0.69).
CONCLUSIONS
We conclude that the instrument had sufficient test-retest reliability and internal consistency.
目的
本文报告了一种用于评估针对非洲三个地区青少年的校内艾滋病毒/艾滋病干预措施的工具的开发过程及其心理测量特性。
方法
该工具的开发分一系列步骤进行，包括审查现有工具；使用实证数据和支持感兴趣变量与性行为或避孕套使用之间关联的二手文献；对所采用理论模型的构念进行操作化；以及运用干预措施的目标。在每个地点进行了重测信度研究。
结果
该问卷显示出良好的内部一致性和足够的重测信度。10个心理社会量表的克朗巴哈系数均高于0.50，而科恩kappa系数在性行为项目上的重测信度从较差到中等（kappa = 0.14至0.69）。
结论
我们得出结论，该工具具有足够的重测信度和内部一致性。
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