Table 2.

Steps for Concept Analysis

1. Select a concept.	Anhedonia
2. Determine the aims or purposes of analysis.	Provide an accurate and lucid understanding of anhedonia based on current literature.
3. Identify all uses of the concept.	Used in psychoanalytic literature, associated with depression, schizophrenia, and a number of other mental and physical health conditions.
4. Determine the defining attributes	It is a decrease in the capacity to experience pleasure from previously pleasurable activities; Experiential component of anhedonia is measured by subjective self-report; Individuals with anhedonia retain the ability to experience pain, general stimulation, and negative emotions like sadness; Anhedonia can exist with or without feelings of sadness.
5. Identify a model case.	Please refer to text.
6. Identify borderline, related, contrary, invented, and illegitimate cases.	Please refer to text.
7. Identify antecedents and consequences.	Antecedents: previous experience of pleasure; Consequences: decrease in motivation to participate in pleasurable activities and thus decreased participation in pleasurable activities.
8. Define empirical referents.	Physical, social, anticipatory, consummatory anhedonia.