Are your perceptions of stress objectively accurate?

Self-esteem, stress, and depression among graduate students.
Kreger DW. Wright Institute, Berkeley, CA 94704, USA.
Psychological Reports 1995 Feb;76(1):345-6.

In a study of 29 graduate students, self-ratings of stress correlated with low scores on self-esteem but were not related to an objective indicator of actual stress. Both self-rated stress and low self-esteem scores were related to scores on depression, with a weak interaction effect.