Table 4.

Confidence in knowledge and judgments of experts and novices as they correlate physical examination and cross-sectional imaging.

Number	Action Code	Number of Events with Action Codes		Chi-squared Analysis
		Expert ($n=70$)	Novice ($n=77$)	$X^2$	$p$-value
AC19	Uncertainty in anatomy	6	29	16.989	$<0.0001$
AC20	Misinterpretation of anatomy	4	20	10.944	0.0009
AC21	Compare at case level/prior cases	17	22	0.342	0.558
AC22	Localizes by the absence of a structure	9	17	2.126	0.145
AC23	Certainty of knowledge (positive)	32	24	3.265	0.071
AC24	Uncertainty of knowledge (negative)	9	40	25.04	$<0.0001$
AC25	Direction to anatomy	32	43	1.495	0.221
AC26	Incorporation of past experience	19	17	0.504	0.478
AC27	Define spatial anatomy for themselves	16	17	0.013	0.910
AC28	Unreliable anatomy	8	6	0.560	0.454
AC29	Verbalizes difficulty	7	12	1.001	0.316
AC30	Realization of anatomic cues that they missed	3	7	1.323	0.250