TABLE 2.

A Wilcoxon signed-rank test to compare student responses pre- and post-case study presentation.

Question	Survey	N	Median	Interquartile range	Significance
How confident are you in your understanding of the range of diseases/disorders diagnosed in your laboratory?	Pre	48	2	1	p = < 0.0001
	Post	48	4	1
How confident are you linking a test result produced in the laboratory to a disease/disorder?	Pre	48	3	1	p = < 0.0001
	Post	48	4	2
How confident are you communicating/speaking in public?	Pre	48	2	1	p = < 0.05
	Post	48	3	2
How confident do you feel about giving a case presentation to peers and colleagues?	Pre	48	2	1.5	p = < 0.001
	Post	48	3	2
How confident do you feel in your ability to structure a medical case presentation?	Pre	48	2	2	p = < 0.0001
	Post	48	4	2
How would you rate your critical thinking?	Pre	48	2	1	p = < 0.0001
	Post	48	2	0

N = number of responses. Mean = Mean of Likert response on a scale of 1–4.