Social Dominance Orientation (SDO-7)
Psychology: Values & BeliefsReliability: alpha 0.923 sample items
About this scale
A 16-item measure of social dominance orientation — preference for hierarchical group relations and inequality. Strong predictor of prejudice and discrimination.
Sample item(s)
“Some groups of people must be kept in their place”
“An ideal society requires some groups to be on top and others to be on the bottom”
“We should not push for group equality (reverse)”
Reliability
Reported internal consistency: alpha 0.92. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use; superseded earlier SDO-6.
Source & citation
Ho, A. K., Sidanius, J., Kteily, N., Sheehy-Skeffington, J., Pratto, F., Henkel, K. E., Foels, R., & Stewart, A. L. (2015): The nature of social dominance orientation: Theorizing and measuring preferences for intergroup inequality using the new SDO-7 scale. Journal of Personality and Social Psychology, Vol. 109, No. 6, pp. 1003–1028.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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