Perceived benefits.—while acceptance of personal susceptibility to a condition also believed to be serious was held to produce a force leading to behavior, it did not define the particular course of action that was likely to be taken; this was hypothesized to depend upon beliefs regarding the effectiveness of the various actions available in reducing the disease threat. Thus,a “sufficiently-threatened”individual would not be expected to accept the recommended health action unless it was perceived as feasible and efficacious.