Abstract

A number of criticisms have been raised regarding the use of existing Locus of Control (LOC) measures within an Australian context. These criticisms relate to their construction, their validity in cross-cultural research, and their lack of a theoretical and empirical basis. In response to these criticisms, we have developed an Australian scale. The development of the Australian Health Locus of Control (AHLOC) scale was based on 328 statements generated by a sample of 85 participants (40 males, 45 females). The age of the sample ranged from 17 yr to 58 yr ( M = 28.12 yr, SD = 8.94). After screening these statements using a frequency criterion (frequency of response >4), 206 statements were retained representing 19 categories. Using these 206 statements as a basis, the author's generated 51 items to reflect these 19 categories. These items were then given to a second sample of 133 participants (62 males, 71 females, age range 17–69 yr, M = 30.5 yr) with items retained being used to represent the AHLOC scale. Item retainment was based on exploratory factor analysis (principal components analyses) and item-total correlations (Cronbach αs). Factor analysis revealed a two factor solution fits the data best with two dimensions of controllability and uncontrollability/helplessness. Validation of the scale was based on a third sample of 136 participants (74 males, 62 females, M = 29 yr). Results obtained indicate that the scale has both convergent and concurrent validity. Specifically, the two dimensions measured in the AHLOC scale correlated significantly with the internal and the multiple sources of external control (powerful others and chance) assessed in the more established HLOC scales. Furthermore, unlike these HLOC scales, the AHLOC scale was found to clearly differentiate between control-inducing intervention strategies (action-oriented control and cognition-oriented control). Possible uses of the AHLOC scale as a basis of future health research are discussed.

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