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Table 4 Cronbach’s alphas for the direct measures of the original and reduced form questionnaires

From: Use of the Theory of Planned Behaviour to assess factors influencing the identification of students at clinical high-risk for psychosis in 16+ Education

Direct Measures

Original Questionnaire

Reduced Questionnaire

114 items

73 items

Intention

0.82 (2.56)

0.81 (2.63)

Attitude

0.82 (3.67)

0.74 (3.86)

Subjective Norms

0.62 (3.45)

0.69 (2.77)

PBC

0.66 (3.54)

0.75 (2.91)