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Despite the AIDS epidemic's impact, development of prevention and risk-reduction programs has been slow, especially for patients with chronic mental illness. These patients may be at particular risk for HIV transmission and acquisition due to characteristics of their illness. Despite a paucity of such program descriptions in the literature and widespread concern that exposure of such patients to educational material related to sexuality or AIDS would be overstimulating, an effective and safe curriculum to teach risk-reduction can be designed. This paper describes such a program at the Massachusetts Mental Health Center, in Boston.

In the present study we examined whether semantic relations are atomistic unitary associations, or are complex concepts consisting of a number of relational elements. The complexity of the ownership relation was assessed by combining a relation verification task (“Many people own [cars/ comets]”) with the speed-accuracy decomposition procedure (Meyer, Irwin, Osman, & Kounios, 1988). The latter permits one to determine whether subjects achieve their final state of response accuracy in a single, discrete all-or-none transition, or whether the relevant processes yield partial information representing intermediate states of knowledge. The rationale was that the retrieval of a unitary relational link from a classical associative network should be an all-or-none affair. In contrast, a set of relational elements need not be processed as a unitary bundle, thereby allowing partial response-information states. In two experiments, we found evidence of such partial information (i.e., sensitivity in units ofd′), lending support to the notion that relations are complex. Furthermore, the results suggest that the accumulation of guessing sensitivity was linear over time, weighing against alternate theoretical interpretations.