Table 2.

Results of exploratory factor analysis of all items

Item	N	Mean	SD	Skewness	Kurtosis	Loading factor 1a	Loading factor 2a	Loading factor 3a
Intrinsic load: complexity	86	5.581	1.8261	− 0.168	− 0.343	0.532	− 0.077	0.429
Intrinsic load: acuity	86	7.221	1.7634	− 0.498	0.226	0.552	0.032	0.053
Intrinsic load: amount of clinical information	85	6.31	1.746	− 0.127	− 0.375	0.741	0.184	0.085
Intrinsic load: complexity of clinical decisions	86	6.186	2.3137	− 0.775	0.299	0.750	0.310	− 0.011
Extraneous load: protocol	86	5.372	2.8944	− 0.575	− 0.757	0.042	0.827	− 0.225
Extraneous load: accessibility of information	86	5.093	2.3992	− 0.567	− 0.064	0.104	0.318	0.080
Extraneous load: terminology	86	5.314	2.5449	− 0.401	− 0.285	0.127	0.127	0.733
Extraneous Load: distraction	85	2.52	2.767	1.059	0.127	− 0.308	− 0.176	0.290
Germane Load: understanding	85	4.08	2.803	− 0.035	− 1.034	0.133	0.764	0.083

^aExtraction method: Principal axis factoring. Rotation method: Varimax with Kaiser normalization.