Perceived Medical School Stress Scale – Chinese version

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Abstract

medical education is universally recognized as a highly demanding pursuit, often placing immense psychological and emotional burdens on students. While broad psychological assessments can capture general distress, they frequently miss the nuanced, environment-specific pressures inherent to medical training. To address this measurement gap, researchers adapted the Perceived Medical School Stress (PMSS) scale for the Chinese cultural and educational context. This localized instrument provides a highly specialized psychometric tool designed to quantify the unique stressors encountered by medical students, such as intense academic competition, clinical expectations, and professional identity formation.

The PMSS functions as a vital diagnostic asset for educational administrators and mental health practitioners operating within medical institutions. By isolating stressors specific to the medical curriculum, the scale empowers institutions to identify vulnerable students before they succumb to severe burnout, depressive symptoms, or a loss of clinical empathy. The successful validation of the Chinese version holds particular importance given the vast scale of medical education in China and the distinct cultural expectations surrounding academic success and professional prestige in the region.

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Keywords
medical students
stress measurement
psychometrics
Cross-cultural validation
mental health
medical education

📊 Psychometric Scorecard

Items Count
13
Structure
Multidimensional
Cronbach's α
0.91
McDonald's ω
0.91
Validation Country
📍 China

Translation Method: Forward-backward translation (Brislin's method)
Clinical Cut-off Scores: Scores of 23 and 32 serve as cutoffs for low and high stress subgroups

Authors

👤 Chunyan Zhang

👤 Chunguang Liang
✉ [email protected]

👤 Fan Zhang

👤 Qian Zhang

👤 Kaiyan Xu

Purpose

The primary goal of the Chinese PMSS is to provide a targeted assessment mechanism that distinguishes the unique pressures of medical training from general life stress. Historically, researchers evaluating Chinese medical students have relied on broad-spectrum tools like the DASS-21 or the General Health Questionnaire. Unfortunately, these generalized instruments lack the specificity required to pinpoint pedagogical and environmental triggers unique to medical colleges. By establishing a validated, culturally adapted version of the PMSS, psychometricians and medical educators now have a precise metric to evaluate how intense curricula, peer competition, and faculty dynamics specifically impact student mental health. This level of precision is essential for developing tailored institutional support systems rather than relying on generic stress-management interventions.

Construct

The psychological construct measured by the PMSS centers on the subjective appraisal of environmental and academic demands within a medical school setting. Grounded in the transactional theory of stress, the instrument assumes that psychological distress occurs when a student perceives that the rigorous demands of their medical education exceed their personal coping resources. The scale captures a multifaceted experience, structurally dividing into two primary dimensions as revealed by reliability analyses. These underlying dimensions likely represent the dual burdens of academic overload and the complex social or professional role expectations placed upon future healthcare providers, reflecting the intense pressure to master extensive medical knowledge while simultaneously cultivating a professional clinical identity.

Validity

The validation framework for the Chinese PMSS revealed excellent psychometric properties across multiple evaluative dimensions. To establish construct validity, researchers analyzed the scale's relationship with established psychological metrics, yielding theoretically consistent results. Demonstrating strong convergent validity, the PMSS showed a robust positive correlation with sleep disturbances, specifically correlating with the Insomnia Severity Index at r = 0.504. Furthermore, it displayed a negative association with general self-efficacy (r = -0.108), supporting the hypothesis that intense academic stress can diminish a student's confidence in their own capabilities. Item analysis also confirmed strong discriminant validity, as the tool successfully differentiated between distinct high-stress and low-stress student cohorts using statistically derived cutoff thresholds.

Convergent & Discriminant Validation Correlations

Reference Instrument Correlation Coefficient (r)
Insomnia Severity Index r=0.504
General Self-Efficacy Scale r=-0.108

Reliability

The internal consistency of the Chinese adaptation is exceptionally high, confirming that its 13 items reliably capture the unified construct of medical school stress. The complete scale achieved a Cronbach's alpha of 0.911, comfortably exceeding the standard psychometric threshold for excellent reliability. When evaluating its two underlying factors, the alpha coefficients remained strong at 0.899 and 0.851. To provide a more rigorous estimate of general factor saturation, researchers also calculated a McDonald's Omega, which yielded a highly satisfactory value of 0.914. Additionally, the instrument demonstrated excellent temporal stability; a three-week test-retest analysis produced a correlation coefficient of 0.794, indicating that the scale measures enduring appraisals of the educational environment rather than fleeting daily moods.

Factor Analysis

While the specific goodness-of-fit indices from the confirmatory factor analysis were not exhaustively detailed in the provided text, the structural evaluation confirmed that the 13-item instrument operates effectively across a two-factor model. This multidimensional architecture indicates that perceived stress among Chinese medical students is not a singular, monolithic experience, but rather consists of distinct thematic clusters. Item-total correlations were notably strong, ranging from 0.618 to 0.746, which demonstrates that each individual question contributes significantly to the overall measurement model without introducing unnecessary redundancy. Furthermore, the deletion of any single item resulted in alpha values between 0.902 and 0.909, proving that all 13 items are essential for maintaining the scale's optimal structural integrity.

Instrument

Test Type Self-report questionnaire
Format 13 items, Likert-type scale
Scoring Total score is calculated by summing the items. Cutoff scores of 23 and 32 are utilized to categorize low and high stress subgroups.
Language Chinese
Population College students
Age Group Mean age 20.2 years (SD = 2.1)
Administration Online survey
Completion Time 3-5 minutes

Scoring & Interpretation Guidelines

Cut-off Scores Scores of 23 and 32 serve as cutoffs for low and high stress subgroups
Normative Reference Values Mean = 27.22 (SD = 8.8)

Perceived Medical School Stress Scale – Chinese version Items

📋 Items are currently not available

The individual items of this scale are not publicly available. Researchers interested in using this instrument should contact the original authors directly to request the scale materials.

Sample

The study included 891 medical students (271 male, 620 female) recruited via convenience sampling from medical schools in Liaoning and Shandong Provinces, China. The sample comprised undergraduates, degree upgraders, and postgraduates across various majors, predominantly clinical medicine (41.8%) and nursing (35.2%).

Permissions & Test Year

Adapted with permission from the original scale developer, Prof. Vitaliano.

Test Year: 2025

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Cite This Paper

Chunyan Zhang, Chunguang Liang, Fan Zhang, Qian Zhang, Kaiyan Xu (2025). Perceived Medical School Stress Scale – Chinese version. BMC psychology. https://doi.org/10.1186/s40359-025-02604-4

📄 Download Full-Text PDF

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References
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Cite this article

Mohammed looti (2026). Perceived Medical School Stress Scale – Chinese version. PSYCHOLOGICAL SCALES. Retrieved from https://scales.arabpsychology.com/s/perceived-medical-school-stress-scale-chinese-version/

Mohammed looti. "Perceived Medical School Stress Scale – Chinese version." PSYCHOLOGICAL SCALES, 13 Aug. 2026, https://scales.arabpsychology.com/s/perceived-medical-school-stress-scale-chinese-version/.

Mohammed looti. "Perceived Medical School Stress Scale – Chinese version." PSYCHOLOGICAL SCALES, 2026. https://scales.arabpsychology.com/s/perceived-medical-school-stress-scale-chinese-version/.

Mohammed looti (2026) 'Perceived Medical School Stress Scale – Chinese version', PSYCHOLOGICAL SCALES. Available at: https://scales.arabpsychology.com/s/perceived-medical-school-stress-scale-chinese-version/.

[1] Mohammed looti, "Perceived Medical School Stress Scale – Chinese version," PSYCHOLOGICAL SCALES, vol. X, no. Y, ص Z-Z, August, 2026.

Mohammed looti. Perceived Medical School Stress Scale – Chinese version. PSYCHOLOGICAL SCALES. 2026;vol(issue):pages.

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