Table 1. Tools used in the survey to measure key concepts identified from the Phase I interviews.

Tool	Key concept	Concept	Reliability
Professional plateau	Job characteristics	Opportunities for continuing professional development	Internal consistency (α)=0.86 [9]
Intrinsic job characteristics	Job characteristics	Job satisfaction	Internal consistency (α)>0.7 [10]
Job satisfaction	Job characteristics	Job satisfaction	Internal consistency (α)=0.88
			Test–retest, r=0.63 [11]
LeadershipPractices Inventory	Leadership and organisational governance	Perceptions of immediate managersleadership style and strengths	Internal consistency (α):
			Model the way=0.85
			Inspire a shared vision=0.92
			Challenge the process=0.86
			Enable others to act=0.86
			Encourage the heart=0.92 [12]
Maslach Burnout Inventory	Stress and burnout	Burnout	Internal consistency (α):
			EE=0.9
			DP=0.79
			PA=0.71
			Test–retest:
			EE=0.75
			DP=0.64
			PA=0.62 [4]
Task load	Stress and burnout	Work overload	Internal consistency (α)=0.72

DP, depersonalisation; EE, emotional exhaustion; PA, personal accomplishment.