Table 2.

Baseline demographic characteristics and mastoidectomy experience, comparisons between groups

Variable	Group 1 (Textbook)	Group 2 (Mental Practice)
No. of subjects	6	6
Mean age (yrs)	35	31
Mean no. first surgeon procedures	17	22
Mean no. second surgeon procedures	21	13
Mean no. lab dissections	11	7
Mean no. of courses	2	2