TABLE 1.

The four tasks used in the present study with the information provided and the Bayesian solution.

Task	Condition	Base rate	Hit rate	False-alarm rate	Bayesian solution
Skiwell manufacturing	Percentages	30	15	10	39.13
	Natural frequencies	300 of 1000	45 of 300	70 of 700	45 of 115
IRS Audit	Percentages	20	30	10	42.86
	Natural frequencies	200 of 1000	60 of 200	80 of 800	60 of 140
Techtronics equipment	Percentages	60	70	50	67.74
	Natural frequencies	60 of 100	42 of 60	20 of 40	42 of 62
Varden soap	Percentages	60	5	10	42.86
	Natural frequencies	600 of 1000	30 of 600	40 of 400	30 of 70