Table 2.

Basis of Decisions

	n = 1188
	Number of Decisions*	% of Total
Experience/anecdote	441	37.1%
Arbitrary/Instinct	175	14.7%
Trained to do it	173	14.6%
General study	146	12.3%
First principles	146	12.3%
Limited study	61	5.1%
Specific study	34	2.9%
Parental preference	6	0.5%
For research	4	0.3%
Avoid a lawsuit	2	0.2%

^*Rounded to the nearest whole integer