Threshold value for the college students’ psychological Suzhi questionnaire simplified version
10.3760/cma.j.cn371468-20240712-00329
- VernacularTitle:大学生心理素质问卷(简化版)的阈值分析
- Author:
Chengkui YAO
1
;
Siqi CHANG
;
Dongli BEI
;
Jie LUO
Author Information
1. 贵州师范大学心理学院，贵阳 550025
- Publication Type:Journal Article
- Keywords:
Psychological Suzhi;
Latent profile;
Receiver operating characteristic curve;
College freshmen
- From:
Chinese Journal of Behavioral Medicine and Brain Science
2025;34(4):370-374
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To preliminarily establish a valuable threshold for the college students’ psychological Suzhi questionnaire simplified version (CSPSz-SV) by means of the latent profile analysis and the receiver operating characteristic(ROC) curve.Methods:The CSPSz-SV was applied to investigate 1 870 college freshmen from undergraduate colleges. The identification threshold value of the CSPSz-SV was identified by combining latent profile analysis (LPA) and the ROC curve.Both Mplus 8.3 and R 4.3.1 software were used for the data analysis.Results:Based on LPA results, the college freshmen were divided into three categories according to the levels of psychological Suzhi: the low psychological Suzhi group, the medium psychological Suzhi group, and the high psychological Suzhi group.Following the LPA, the ROC analysis was conducted to obtain the optimal critical value (91) of the psychological Suzhi level for college freshmen (Youden's index was 0.934, sensitivity was 0.979, specificity was 0.955, positive predictive value was 0.855, negative predictive value was 0.994, accuracy was 0.960, and AUC was 0.991, respectively). College freshmen were divided into the abnormal psychological Suzhi group and the normal psychological Suzhi group in accordance with this critical value, and the difference between the two groups was statistically significant (Cohen's d=1.74-2.18, P<0.001). Conclusion:The threshold value established and obtained in this study can be reviewed as a reference for evaluating the psychological Suzhi level of college freshmen.
