Table 1

Inter-item correlations (Spearman r, r_s) between each of the seven generic non-technical skills (NTSs) in the question categories I6 and I7

Question category	NTS category	1	2	3	4	5	6	7
I6: Simulation-based training of NTSs (144≤n≤150)	1. Decision-making	–
	2. Leadership	0.85	–
	3. Communication	0.89	0.88	–
	4. Situation awareness	0.81	0.80	0.85	–
	5. Teamwork	0.85	0.77	0.85	0.83	–
	6. Managing stress	0.77	0.71	0.71	0.74	0.68	–
	7. Coping with fatigue	0.59	0.60	0.56	0.61	0.53	0.78	–
I7: Assessment of NTSs (145≤n≤149)	1. Decision-making	–
	2. Leadership	0.91	–
	3. Communication	0.90	0.89	–
	4. Situation awareness	0.86	0.81	0.90	–
	5. Teamwork	0.88	0.87	0.83	0.82	–
	6. Managing stress	0.80	0.80	0.77	0.80	0.82	–
	7. Coping with fatigue	0.65	0.66	0.62	0.68	0.62	0.76	–

Missing values were excluded pairwise. All correlations (I6 and I7) reached statistical significance at the 0.01 level (two-tailed).