Cross-Sectional Evaluation of the Psychometric Properties of the Headache-Specific Locus of Control Scale in People With Migraine.

The Headache-Specific Locus of Control scale is a reliable and valid measure of headache-specific locus of control. Findings suggest that headache-specific locus of control is more multidimensional than previous conceptualizations and contribute to our understanding of control beliefs as a potential mechanism for migraine treatment.