Table 3

Scale score range and internal consistency reliability

ScaleNo of itemsPossible scoreCronbach α
SAQ teamwork climate66–300.64
SAQ safety climate77–350.78
Disruptive behaviour1111–550.83
Harm index22–10–
Likelihood of speaking up index77–350.79
Work stress index99–450.87
SAQ stress recognition66–300.80
IPIP bravery scale1010–500.79
IPIP assertiveness scale1010–500.80

  • IPIP, International Personality Item Pool; SAQ, Safety Attitudes Questionnaire.