An algorithm for finite conjoint additivity

A complete solution to the problem of finite conjoint additivity is provided, not only to answer the question of whether a particular order is conjointly additive, but also to detail the possible value assignments which demonstrate conjoint additivity for the order. In the process, a complete solution is given to the problem of solving a finite number of homogeneous linear inequalities in a finite number of variables. While others have reduced the problem to the solution of systems of linear inequalities, the algorithm presented here is based on “basic inequalities,” and it provides considerable computational simplicity over previous algorithms.     

Girls' and Boys' Enrollments in Theoretical Math Courses: A Longitudinal Study

Students (n = 331) extensively tested in their first year of high school were followed up as seniors to see what courses in theoretical mathematics they had elected. Discriminant analyses for girls and boys were performed on the test scores, postdicting those who elected two, three or four years of theoretical math. Scores included math achievement (Test of Academic Progress), vocabulary (Quick Word Test), and the Fennema-Sherman Mathematics Attitudes Scales. For girls, the standardized weights of the discriminant function were highest for spatial visualization, vocabulary, perceived Usefulness of Mathematics, and Confidence in Learning Mathematics; for boys, Confidence in Learning Mathematics, math achievement, stereotyping Math as a Male Domain and Effectance Motivation in Mathematics were highest in discriminating those who had elected two, three, or four years of theoretical math.     

Perceiving individuals and groups: expectancies, dispositional inferences, and causal attributions

Two experiments investigated differences in forming impressions of individual and group targets. Experiment 1 showed that when forming an impression of an individual, perceivers made more extreme trait judgments, made those judgments more quickly and with greater confidence, and recalled more information than when the impression target was a group. Experiment 2 showed that when participants were forming an impression of an individual, expectancy-inconsistent behaviors spontaneously triggered causal attributions to resolve the inconsistency; this was not the case when the impression target was a group. Results are interpreted as reflecting perceivers' a priori assumptions of unity and coherence in individual versus group targets.     

“What ‘Great Cloud of Witnesses’? Isn’t My Own Religious Experience Enough?”

The author notes that current seminary students show great variation in their academic skills, in their familiarity with the basics of Christianity, and in their sense of, and skill in, theological method. This condition is both caused and exacerbated by the students' acculturation in American religious privatism, which makes them resist a critical and constructive examination of their views and hinders their understanding of theology as an undertaking of and for the Church. The author describes a number of pedagogical strategies, teaching techniques, and classroom exercises that have shown some effectiveness in overcoming these problems.     

Emotional behavior as an agenda in neuropsychological evaluation

In an effort to objectify neuropsychologic evaluations, consideration of a patient's emotional behavior has often been neglected. An extensive literature review is undertaken in an effort to document lateralized emotional behaviors commonly found in brain injury populations. This evidence is contrasted with the psychiatric symptoms and lateralized neuropsychologic impairments seen in major depression and schizophrenia. A theoretical model is then proposed that attempts to integrate these functional vs. organic symptoms based upon reciprocal inhibition of lateralized emotional functioning in brain injury and psychiatric disorders. This opponent process model not only seems to account for some of the discrepant findings in the literature, but additionally provides a cogent and useful marker to neurophychologically differentiate neuronal vs. metabolic disorders. The model further suggests new ways of envisioning treatment and recovery from both psychiatric illness and brain injury.     

BALANCING THE RIGHT TO HABILITATION WITH THE RIGHT TO PERSONAL LIBERTIES: THE RIGHTS OF PEOPLE WITH DEVELOPMENTAL DISABILITIES TO EAT TOO MANY DOUGHNUTS AND TAKE A NAP

In the pursuit of efficient habilitation, many service providers exercise a great deal of control over the lives of clients with developmental disabilities. For example, service providers often choose the client's habilitative goals, determine the daily schedule, and regulate access to preferred activities. This paper examines the advantages and disadvantages of allowing clients to exercise personal liberties, such as the right to choose and refuse daily activities. On one hand, poor choices on the part of the client could hinder habilitation. On the other hand, moral and legal issues arise when the client's right to choice is abridged. Recommendations are offered to protect both the right to habilitation and the freedom to choose.     

Use of case vignettes in suicide risk assessment

Thirty-three brief case histories of suicidal patients were given to 19 experienced crisis workers for 7-point ratings of short- and long-term suicide risk. The ratings revealed considerable variability, raising questions about the reliability of such global assessments of suicidality. The most consistently rated cases were selected to operationally define "mild," "moderate," and "high" risk. Thus, each level was "anchored" by several vignettes. It was hoped that these anchor points would lead to more uniform future ratings among crisis workers. The correlation between short- and long-term risk ranged from near zero for some vignettes to as high as .82 (median = .46), demonstrating the need to rate both separately. Long-term risk was more difficult to rate, as demonstrated by a larger number of cases judged to be unrateable because of "insufficient information" (94 vs. 53 rater-case combinations). When the anchor vignettes were provided as a guide to the same sample of crisis workers, their ratings of suicide risk, as expected, showed significantly improved consistency.     

IN-HOME GENERALIZATION OF SOCIAL INTERACTIONS IN FAMILIES OF ADOLESCENTS WITH BEHAVIOR PROBLEMS

The effects of a three-phase family communication program were evaluated. In the skill-teaching phase, family members were taught reciprocal social communication skills in a clinic setting. During the skill-review phase, each family member practiced the skills in their homes with the teacher. During the home-based family conference phase, each family was taught to use a structured format to resolve current family issues using their newly acquired skills. In-home parent-youth interactions were observed during a series of 1-hr sessions that involved directed and nondirected situations. Evaluation included a multiple baseline design across skills during the skill-teaching phase and a multiple baseline design across families for the family conference phase. Although the procedures of the skill-teaching phase resulted in parent-adolescent dyads learning to use the skills in the teaching setting, competent use of the skills in the home was not observed until the family conference phase was implemented. These results suggest the importance of home-based intervention if changes are to be obtained at home.     

TEACHING ADULTS WITH SEVERE AND PROFOUND RETARDATION TO EXIT THEIR HOMES UPON HEARING THE FIRE ALARM

Prompting, modeling, and differential reinforcement with client-chosen rewards were used to teach 3 nonverbal people with severe to profound mental retardation to exit their group homes at the sound of the house fire alarm, using a multiple baseline design. All 3 participants learned to exit independently in less than 2 min in all experimenter-initiated surprise fire drills and in the majority of staff-initiated surprise fire drills. Each participant was also able to exit from five areas of the house from which teaching was not done.