Depression – State of low mood and aversion to activity

Dunning–Kruger effect – Cognitive bias where people with low ability overestimate their skill

Dysthymia – Psychological disorder

major depressive disorder – Mental disorder involving persistent low mood, low self-esteem and loss of interest

self-serving bias – Distortion to enhance self-esteem, or to see oneself overly favorably

image depressive realism

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