Measurement error in the Liebowitz Social Anxiety Scale: results from a general adult population in Japan
Measurement error in the Liebowitz Social Anxiety Scale: results from a general adult population in Japan
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利博维茨社交焦虑量表的测量误差：日本一般成年人口的结果
DOI：
10.1080/13651501.2018.1426772
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发表时间：
2018
影响因子：
3
通讯作者：
Hirao K
中科院分区：
文献类型：
--
作者：
Takada K;Takahashi K;Hirao K
目的：Liebowitz社交焦虑量表(LSAS)是测量社交焦虑的常用工具，但在测量误差的重要指标--最小可检测变化量(SDC)方面缺乏相关数据。因此，我们的目标是确定 的SDC。方法：一个由全国性互联网研究机构管理的小组邀请了20-69岁的日本成年人。然后，我们进行了两周间隔的重测网络调查，以估计个体(SDCind)和群体(SDCgroup)的SDC。结果：分析包括1300名参与者。恐怖总分(0~72分)SDCind值为23.52分(32.7%)，SDC值为0.65分(0.9%)。SDCind值和SDC值分别为32.43分(45.0%)和0.90分(1.2%)。SDCind值和SDC值分别为45.90分(31.9%)和1.27分(0.9%)，总分范围为0-144。结论：测量误差较大，提示在尝试使用LSAS检测个体水平的变化时可能存在重大问题。在使用LSAS作为治疗变化的衡量标准时，应考虑这些结果。
Objective:Although the self-report version of Liebowitz Social Anxiety Scale (LSAS) is frequently used to measure social anxiety, data is lacking on the smallest detectable change (SDC), an important index of measurement error. We therefore aimed to determine the SDC of LSAS.Methods:Japanese adults aged 20–69 years were invited from a panel managed by a nationwide internet research agency. We then conducted a test–retest internet survey with a two-week interval to estimate the SDC at the individual (SDCind) and group (SDCgroup) levels.Results:The analysis included 1300 participants. The SDCindand SDCgroupfor the total fear subscale (scoring range: 0–72) were 23.52 points (32.7%) and 0.65 points (0.9%), respectively. The SDCindand SDCgroupfor the total avoidance subscale (scoring range: 0–72) were 32.43 points (45.0%) and 0.90 points (1.2%), respectively. The SDCindand SDCgroupfor the overall total score (scoring range: 0–144) were 45.90 points (31.9%) and 1.27 points (0.9%), respectively.Conclusions:Measurement error is large and indicate the potential for major problems when attempting to use the LSAS to detect changes at the individual level. These results should be considered when using the LSAS as measures of treatment change.