Psychometric Properties of Yelland and Tiggemann’s Drive for Muscularity Scale

The purpose of the current study was to examine the dimensionality and validity of Yelland and
Tiggemann’s Drive for Muscularity Scale (YT-DMS). Participants were college students (305 women,
MAGE = 20.15 years, SD = 4.00; 356 men, MAGE = 20.24 years, SD = 3.85) who completed the YT-DMS, the
Drive for Muscularity Attitudes Questionnaire, the Drive for Leanness Scale, the Drive for Thinness Scale,
and a socio-demographic questionnaire. Results indicated the YT-DMS had a stable unidimensional factor
structure in both genders, and the pattern of relationships generally supported the measure’s criterion
and construct validity. These results reveal the YT-DMS has promise, but helps identify possible areas
for improvement, such as a greater focus on sampling the content domain associated with the drive for
muscularity.