Muscle Dysmorphic Disorder Inventory.

MDDI

What it measures

Muscle-dysmorphia symptoms; three factors - Drive for Size, Appearance Intolerance, Functional Impairment

Length and format

13 items. 5-point (1 never - 5 always); subscale + total sums; higher = greater muscle-dysmorphia symptoms (self-report questionnaire)

Language versions

Several languages incl. DE, ES, IT, PT, ZH

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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

Hildebrandt, T., Langenbucher, J., & Schlundt, D. G. (2004). Muscularity concerns among men: Development of attitudinal and perceptual measures. Body Image, 1(2), 169-181.