Table 1. The twenty attributes of the clinical context.

Attribute	Explanation
A1	Depressed mood
A2	Diminished interest and pleasure
A3	Decreased interest in sex
A4	Increase or loss of weight
A5	Gain or loss of appetite
A6	Insomnia or hypersomnia
A7	Agitation
A8	Psychomotor retardation
A9	Fatigue or energy loss
A10	Feelings of worthlessness (or Beck’s negative view of self)
A11	Feelings of guilt
A12	Diminished ability to think and concentrate
A13	Indecision
A14	Recurrent thoughts of death
A15	Suicidal ideation or attempted suicide
A16	Beck’s negative view of the world
A17	Beck’s negative expectation of the future
A18	Seligman’s learned helplessness
A19	Irritability
A20	Apathy