Discussion: Reflections from the clinical trenches

This paper involves a series of personal reflections on the deleterious impact of excessive bureaucracy and other institutional forces on the psychosocial treatment of the chronically mentally ill. The writer appeals to three groups of mental-health practitioners—behavior analysts, practicing clinicians, and academic clinicians—to promote cultural change by advocating a restructuring of large-scale bureaucracies with the concurrent establishment of multiple community-based associations.     

Evaluation of unconstrained sorting data

Two statistics are offered for evaluating unconstrained sorting performance in a specific task when categories are E-defined. One statistic is based upon empirically estimated sampling distributions and can be used for determining sorting performance significantly deviant from chance for any number of S-defined categories; the second statistic can be used to evaluate consistencies between S- and E-defined categories, regardless of the number of categories used by S. The present procedure provides a statistical basis for evaluation of performance where no adequate evaluation procedures are now available.     

Empowering people with physical disabilities through advocacy skills training

Members of an advocacy organization for people with physical disabilities were trained to identify and report issues at group meetings. In addition, two consecutive chairpersons were trained to conduct action-oriented meetings. Measures of group members' activities outside meetings and related outcomes on identified issues were also collected. Results indicated increases in the number of disability-related issues reported by trained members and consistent improvements in chairperson performance following training. Retrospective interviews and permanent records showed that advocacy activities, as well as the outcomes of members' actions, increased after training. These findings and their implications for the empowerment of people with disabilities are discussed.     

Evaluation of a shaping procedure with the changing-criterion design

This study used the changing-criterion design to document the effectiveness of a behavioral training package to alter the topography of a complex behavior. In this case, bed-making was established for a severely debilitated adult mental patient who was chronically institutionalized. Experimental control was demonstrated by a step-wise progression in performance to the final target behavior. The changing-criterion design provides an effective record of the shaping process and is sufficiently flexible for other single-subject design elements to be included.     

The importance of conduct problems and depressive symptoms in predicting adolescent substance use

The current study assessed the relative importance of conduct problems and depressive symptoms, measured at two ages (11 and 15), for predicting substance use at age 15 in an unselected birth cohort of New Zealand adolescents. Among males, when the relative predictive utility of both conduct problems and depressive symptoms was assessed, only pre-adolescent depressive symptoms were found to predict multiple drug use 4 years later. No predictive relation was found between early symptomatology and later substance use among females. The strongest association between predictors and substance use emerged between age 15 multiple drug use and concurrent conduct problems for both males and females. Finally, both conduct problems and depressive symptoms at age 15 were also found to be associated with concurrent self-medication among females.This work was supported by USPHS grants MH-43746 and MH-45070 from the Antisocial and Violent Behavior Branch of the National Institute of Mental Health to Terrie Moffitt. Bill Henry was funded by a Fulbright Travel Award. The Dunedin Multidisciplinary Health and Development Research Unit is supported by the Medical Research Council and Health Research Council of New Zealand. Appreciation is expressed to the interviewers who collected the data, and to the young New Zealanders who were members of the sample.     

EVALUATION OF REINFORCER PREFERENCES FOR PROFOUNDLY HANDICAPPED STUDENTS

Five students classified as profoundly/multiply handicapped were trained to use microswitches to indicate reinforcer preferences. The students were trained to emit a designated motoric response (raise arm or raise head) which in turn activated a microswitch. The microswitches were connected to battery-operated toys and devices, and served to provide immediate, contingent consequences tothe students for their motoric responding. The results of the investigation were evaluated within a multiple baseline (across students) with alternating treatments (potential reinforcers) design. During baseline, the students were provided withthe switches and devices, butthe switches were not connected tothe devices. Duringthe training conditions, the switches activatedthe devices. Evaluation of the devices was conducted by recordingthe cumulative frequency and duration of the students' responses. Whenthe microswitches activatedthe devices during training, a substantial increase inthe duration of motoric responding occurred for all students. In addition, some students performed differentially across devices, suggesting that they had reinforcer preferences.     

Gender and Theory of Mind in Preschoolers’ Group Effort: Evidence for Timing Differences Behind Children’s Earliest Social Loafing

This study explored mental state reasoning within the context of group effort and possible differences in development between boys and girls. Preschool children (59 girls, 47 boys) were assessed for theory of mind (ToM) ability using classic false belief tests. Children participated in group effort conditions that alternated from one condition, where individual effort was transparent and obvious, to one where individual effort remained anonymous. The aim was to investigate if emergent mental state reasoning, after controlling for age, was associated with the well-known phenomenon of reduced effort in group tasks (“social loafing”). Girls had slightly higher ToM scores and social loafing than boys. Hierarchical regression, controlling for age, indicated that understanding of others’ false beliefs uniquely predicted social loafing and interacted weakly with gender status.