McCallum, D M Comparison of response formats for Multidimensional Health Locus of Control Scales: six levels versus two levels. [electronic resource] - Journal of personality assessment 1988 - 732-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-3891 Standard No.: 10.1207/s15327752jpa5204_12 doi Subjects--Topical Terms: AdultAttitude to HealthFemaleHumansInternal-External ControlMalePersonality TestsPsychometrics