Skip to main content
Wellbeing and positive psychology

modified Differential Emotions Scale.

mDES

What it measures
Frequency of 10 positive and 10 negative discrete emotions over a recent period; used to compute the positivity ratio (positive-to-negative emotion balance) in Fredrickson's broaden-and-build research.
Length and format
20 (commonly; some versions list ~37 emotion terms). 5-pt frequency (0 not at all - 4 extremely / most of the time) (self-report questionnaire)
Language versions
Many language adaptations (ES, ZH, PT and others)
Normative data
Normative data for this instrument is held in our reference library. The per-population breakdown is not published here.
Licence
open with attribution

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference
Fredrickson, B. L. (2003). Positive emotions and upward spirals in organizations. In Cameron, Dutton & Quinn (Eds.), Positive Organizational Scholarship. (mDES; see also Fredrickson & Losada 2005.)

Choosing between this and the alternatives

We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.

Talk to us about instrument selection