Inter-item internal consistency found strong Cronbach alphas (α =0.91) with highly significant relationships between PSC items and positive screening scores ( Murphy & Jellinek, 1988 ; Murphy et al., 1992 ).
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Inter-item internal consistency found strong Cronbach alphas (α =0.91) with highly significant relationships between PSC items and positive screening scores ( Murphy & Jellinek, 1988 ; Murphy et al., 1992 ).