中华成人智力量表T分转换系统的建立和效度检验
发布时间：2019-03-05 14:42
【摘要】：目的:为中华成人智力量表(ISCA)建立T分转换系统,将测验粗分转换为人口统计变量校正的T分,并检验其效度。方法:基于ISCA常模资料为ISCA各分测验分数建立以年龄、性别、受教育程度和职业等人口统计变量为自变量的线性回归模型,将残差转换为均数是50、标准差是10、取整的分测验T分。累加6种不同组合的分测验T分,并线性转换为均数是50、标准差是10、取整的组合T分。计算95名正常成人(正常组)、102名脑梗死患者(脑梗死组)及与其人口统计变量匹配的健康配对者(配对组)的T分,检验T分的效度。结果:生成T分的回归模型均有统计学意义(均P0.001)。正常组的分测验T分平均为46.8~51.3分,没有残留人口统计变量主效应。不同受教育程度者之间的分测验T分异常的人数比例差异无统计学意义。脑梗死组分测验T分平均数为40.7~47.8分,配对组为48.2~51.7分。脑梗死组有10项分测验T分和6项组合T分均低于配对组(均P0.01),脑梗死组7项分测验和6项组合T分40分的人数比例高于配对组(均P0.01)。结论:本研究为ISCA建立了T分转换系统。生成的T分与人口统计变量没有显著关联,能有效区分认知损害与正常,提示T分转换系统具有一定效度。
[Abstract]:Aim: to establish a T-score conversion system for the Chinese Adult Intelligence scale (ISCA), and to convert the gross score into the T-score corrected by demographic variables, and to test its validity. Methods: based on the ISCA norm data, a linear regression model with age, sex, education level and occupation as independent variables was established for ISCA sub-test scores. The residual error was converted to 50, the standard deviation was 10, and the mean was 50, the standard deviation was 10, the mean was 50, and the standard deviation was 10. Rounded sub-test T score. The T scores of six different combinations were accumulated and converted linearly to a mean of 50, a standard deviation of 10, and a rounded T score. The T scores of 95 normal adults (normal group), 102 patients with cerebral infarction (cerebral infarction group) and healthy matched population variables (matched group) were calculated, and the validity of T score was tested. Results: the regression models with T score were statistically significant (P 0.001). The average T score of the normal group was 46.8 to 51.3, and there was no significant effect of the residual demographic variables. There was no significant difference in the proportion of students with abnormal T scores in different education levels. The mean T score of cerebral infarction group was 40.7 / 47.8, and that of matched group was 48.2 / 51.7. The T scores of 10 subtests and 6 combinations in the cerebral infarction group were lower than those in the matched group (P0.01). The proportion of the seven sub-tests and six combination T scores in the cerebral infarction group was higher than that in the matched group (P0.01). Conclusion: the T-score conversion system was established for ISCA. The generated T score has no significant correlation with demographic variables, and can effectively distinguish cognitive impairment from normal, suggesting that the T score conversion system has a certain validity.
【作者单位】： 南华大学附属第一医院临床心理科;中南大学湘雅二医院医学心理学研究所;
【分类号】：B848.5
本文编号：2435018
[Abstract]:Aim: to establish a T-score conversion system for the Chinese Adult Intelligence scale (ISCA), and to convert the gross score into the T-score corrected by demographic variables, and to test its validity. Methods: based on the ISCA norm data, a linear regression model with age, sex, education level and occupation as independent variables was established for ISCA sub-test scores. The residual error was converted to 50, the standard deviation was 10, and the mean was 50, the standard deviation was 10, the mean was 50, and the standard deviation was 10. Rounded sub-test T score. The T scores of six different combinations were accumulated and converted linearly to a mean of 50, a standard deviation of 10, and a rounded T score. The T scores of 95 normal adults (normal group), 102 patients with cerebral infarction (cerebral infarction group) and healthy matched population variables (matched group) were calculated, and the validity of T score was tested. Results: the regression models with T score were statistically significant (P 0.001). The average T score of the normal group was 46.8 to 51.3, and there was no significant effect of the residual demographic variables. There was no significant difference in the proportion of students with abnormal T scores in different education levels. The mean T score of cerebral infarction group was 40.7 / 47.8, and that of matched group was 48.2 / 51.7. The T scores of 10 subtests and 6 combinations in the cerebral infarction group were lower than those in the matched group (P0.01). The proportion of the seven sub-tests and six combination T scores in the cerebral infarction group was higher than that in the matched group (P0.01). Conclusion: the T-score conversion system was established for ISCA. The generated T score has no significant correlation with demographic variables, and can effectively distinguish cognitive impairment from normal, suggesting that the T score conversion system has a certain validity.
【作者单位】： 南华大学附属第一医院临床心理科;中南大学湘雅二医院医学心理学研究所;
【分类号】：B848.5
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