A segmentation approach is presented using both traditional demographic segmentation bases (age, social class/occupation, and working status) and a segmentation by benefits sought. The benefits sought in this case are utilitarian and informational reinforcement, variables developed from the Behavioral Perspective Model (BPM). Using data from 1,847…

This review of research discusses how children with autism may acquire equivalence classes after learning to supply a common oral name to each stimulus in a potential class. A proposed methodology for researching referent naming and class formation, analysis of stimulus classes, and generalization is offered. (CR)

Presents a review of empirical studies on the classification of attempted suicide over the period 1963-93. Investigated whether there is research evidence for a valid classification of homogeneous subgroups of suicide attempts. Found two clearly distinguished subgroups (characterized by mild and severe suicide attempts) which constitute the…