Table 1.

Mean Rank Order (lower is preferred)

Test	Experienced Group	Naive Group
Stool Analysis	1.68	1.23
White cell scan	2.46	2.51
Sigmoidoscopy	3.60	3.41
Colonoscopy	4.20	5.59
Barium Enema	4.28	3.82
Enteroclysis	5.30	5.23
Laparotomy	6.48	6.21

Experienced Group: Patients with inflammatory bowel disease having experienced most or all of the above tests. Naive Group; Healthy individuals previously unfamiliar with most or all of the tests. Scores could vary from 1.0 (most preferred) to 7.0 (least preferred).