Validity of a Perceived Stress Scale.

Validity of a Perceived Stress Scale. How do the authors describe the validity of the Perceived Stress Scale (PSS) used in this study?

Group of answer choices

The scale was reviewed by six experts prior to being used in this study.

The Perceived Stress Scale (PSS) was examined by face, construct, and discriminant validity methods.

The Perceived Stress Scale (PSS) was described as having well-established evidence of validity from previous studies.

The readability levels were identified prior to being used in this study.