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. 2014 Jun 17:2:e429.
doi: 10.7717/peerj.429. eCollection 2014.

SHAPS-C: the Snaith-Hamilton pleasure scale modified for clinician administration

Rezvan Ameli  1 , David A Luckenbaugh  1 , Neda F Gould  2 , M Kathleen Holmes  3 , Níall Lally  4 , Elizabeth D Ballard  1 , Carlos A Zarate Jr  1
Affiliations

SHAPS-C: the Snaith-Hamilton pleasure scale modified for clinician administration

Rezvan Ameli et al. PeerJ. .

Abstract

Anhedonia, a diminished or lack of ability to experience and anticipate pleasure represents a core psychiatric symptom in depression. Current clinician assessment of anhedonia is generally limited to one or two all-purpose questions and most well-known psychometric scales of anhedonia are relatively long, self-administered, typically not state sensitive, and are unsuitable for use in clinical settings. A user-friendly tool for a more in-depth clinician assessment of hedonic capacity is needed. The present study assessed the validity and reliability of a clinician administered version of the Snaith-Hamilton Pleasure Scale, the SHAPS-C, in 34 depressed subjects. We compared total and specific item scores on the SHAPS-C, SHAPS (self-report version), Montgomery-Åsberg Depression Rating Scale (MADRS), and the Inventory of Depressive Symptomatology-Self Rating version (IDS-SR). We also examined construct, content, concurrent, convergent, and discriminant validity, internal consistency, and split-half reliability of the SHAPS-C. The SHAPS-C was found to be valid and reliable. The SHAPS and the SHAPS-C were positively correlated with one another, with levels of depression severity, as measured by the MADRS, and the IDS-SR total scores, and with specific items of the MADRS and IDS-SR sensitive to measuring hedonic capacity. Our investigation indicates that the SHAPS-C is a user friendly, reliable, and valid tool for clinician assessment of hedonic capacity in depressed bipolar and unipolar patients.

Keywords: Anhedonia; Clinician administered; Depression; Self-assessment.

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Figures

Figure 1
Figure 1. Association between SHAPS-C and SHAPS.
A strong positive linear relationship between the clinician administered SHAPS-C and the self-administered SHAPS is apparent.
Figure 2
Figure 2. Association between the SHAPS-C and the MADRS.
A strong positive relationship is visible between the clinician administered SHAPS-C scale, which assess anhedonia, and the clinician administered MADRS, which assesses general depressive symptomatology.
See this image and copyright information in PMC

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