Introduction:

Extraordinary stressful events are considered events of great relevance in people's lives because of the changes that they bring about and because they are associated with various physical and mental illnesses.

Objective:

To analyze the psychometric properties of the JF Labrador’s Extraordinary Stress Events scale in professors from the Caylloma Province, located in the Arequipa Region, southern Peru.

Methods:

An instrumental study was carried out with 169 professors from the Caylloma Province (37.3% were males and 62.7% were females), to whom the sociodemographic data sheet and the Extraordinary Stress Events scale were applied through a Google Forms application.

Results:

The test was found to have construct validity obtained through exploratory factor analysis, with a bifactor structure. These factors were called stressors due to changes in the environment and stressors caused by problems in interpersonal relationships, which obtained optimal reliability indexes by means of the McDonald's omega and the Cronbach's alpha tests.

Conclusion:

The Extraordinary Stress Events scale has been concluded to have adequate validity and reliability indexes in Caylloma teachers; therefore, its use is recommended to evaluate stress.

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