An Item Response Theory (IRT) analysis of the Short Inventory of Problems-Alcohol and Drugs (SIP-AD) among non-treatment seeking men-who-have-sex-with-men: evidence for a shortened 10-item SIP-AD.
An Item Response Theory (IRT) analysis of the Short Inventory of Problems-Alcohol and Drugs (SIP-AD) among non-treatment seeking men-who-have-sex-with-men: evidence for a shortened 10-item SIP-AD.
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DOI：
10.1016/j.addbeh.2009.06.004
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发表时间：
2009-11
影响因子：
4.4
通讯作者：
Heidinger, Bram E.
中科院分区：
文献类型：
--
作者：
Hagman, Brett T.;Kuerbis, Alexis N.;Morgenstern, Jon;Bux, Donald A.;Parsons, Jeffrey T.;Heidinger, Bram E.
酒精和毒品问题简短清单（SIP-AD）是一项包括15个项目的措施，同时评估与酒精和非法药物使用有关的负面后果。目前的心理测量评估仅限于经典测试理论（CTT）统计，尚未在不寻求治疗的男男性行为者（MSM）中得到验证。项目反应理论（IRT）的方法可以通过深入分析每个项目在潜在潜在特质上的表现来改进CTT。本研究利用IRT和CTT的方法，在未寻求治疗的MSM样本（N = 469）中检验了SIP-AD的心理测量特性。参与者是从纽约市地区招募的，并被要求参加一系列调查俱乐部吸毒情况的研究。结果表明，SIP-AD上有5个项目在种族/民族和艾滋病毒状况之间表现出较差的项目不匹配或显著差异项目功能（DIF）。这5个项目被删除，对剩下的10个项目进行双参数IRT分析，这表明项目定位参数的范围有限(−。15 ~−。99)在潜在负面后果严重程度连续体的下端绘制，并且具有合理的高判别参数（1.30至2.22）。在原始的15项SIP-AD和改进后的10项SIP-AD之间进行了额外的CTT统计比较，结果表明，改进后的10项SIP-AD的差异可以忽略不计，这表明它具有很高的信度和效度。结果表明，SIP-AD可以缩短到10个项目，似乎是一个无偏见的可靠和有效的衡量不寻求治疗的男男性行为。
The Short Inventory of Problems-Alcohol and Drugs (SIP-AD) is a 15-item measure that assesses concurrently negative consequences associated with alcohol and illicit drug use. Current psychometric evaluation has been limited to classical test theory (CTT) statistics, and it has not been validated among non-treatment seeking men-who-have-sex-with-men (MSM). Methods from Item Response Theory (IRT) can improve upon CTT by providing an in-depth analysis of how each item performs across the underlying latent trait that it is purported to measure. The present study examined the psychometric properties of the SIP-AD using methods from both IRT and CTT among a non-treatment seeking MSM sample (N = 469). Participants were recruited from the New York City area and were asked to participate in a series of studies examining club drug use. Results indicated that five items on the SIP-AD demonstrated poor item misfit or significant differential item functioning (DIF) across race/ethnicity and HIV status. These five items were dropped and two-parameter IRT analyses were conducted on the remaining 10 items, which indicated a restricted range of item location parameters (−.15 to −.99) plotted at the lower end of the latent negative consequences severity continuum, and reasonably high discrimination parameters (1.30 to 2.22). Additional CTT statistics were compared between the original 15-item SIP-AD and the refined 10-item SIP-AD and suggest that the differences were negligible with the refined 10-item SIP-AD indicating a high degree of reliability and validity. Findings suggest the SIP-AD can be shortened to 10 items and appears to be a non-biased reliable and valid measure among non-treatment seeking MSM.
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影响因子：
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