A test of the tripartite model's prediction of anhedonia's specificity to depression: patients with major depression versus patients with schizophrenia

The tripartite model of depression and anxiety suggests that anhedonia represents a relatively specific marker of depression. A strong version of this view is that anhedonic symptoms would particularly characterize depressed patients, even when compared to another diagnostic group-schizophrenic patients-for whom anhedonic symptoms represent a well-studied feature. This prediction was tested among 102 VA psychiatric inpatients (95 men), ages...