Response persistence under ratio and interval reinforcement schedules

In Experiment 1, rats were exposed to progressive-ratio schedules of food reinforcement while other rats were exposed simultaneously to yoked-interval schedules that arranged equivalent interreinforcer intervals but required only a single response at the end of the interval for food delivery. In Experiment 2, a within-subject yoked-control procedure was employed in which pigeons were exposed to alternating sessions (one per day) of progressive-ratio schedules and yoked-interval schedules as described above. In both experiments, responding under the yoked-interval schedule persisted beyond the point at which responding under the progressive-ratio schedule had ceased. The progressive-ratio schedules controlled break-and-run distributions, and the yoked-interval schedules controlled more even distributions of responses in time. Response rates decreased and postreinforcement pauses increased over time within individual sessions under both schedules. The results suggest that responding maintained by interval schedules is more persistent than that maintained by ratio schedules. The limitations and implications of this conclusion are discussed in the context of other investigations of response strength and behavioral momentum.     

The Religion of the Educated Classes Revisited: New Religions,the Nonreligious,and Educational Levels

A number of different studies carried out in the late 20th century indicated that new religious movements (NRMs) tended to recruit individuals who were highly educated. In the present study, we confirm this pattern utilizing data from the national censuses of Australia, New Zealand, Canada, England, and Wales. Additionally, we found that educational patterns for NRMs in the censuses tended to fall into at least two subgroups, one of which had educational levels comparable to mainline denominations and the other of which had significantly higher educational achievements. Furthermore, census respondents who expressed some variety of nonbelief were comparable to this latter group in terms of educational accomplishments. We discuss this latter finding in terms of Ernst Troeltsch and Colin Campbell's analysis of secularization.     

Great Expectations: Career Planning and Training Experiences of Graduate Students in Sport and Exercise Psychology

The success of upcoming professionals in the field of sport and exercise psychology is critical for its growth. A history of limited applied opportunities may lead to retention issues among trainees interested in applied careers. The current study investigated the career goals and perceptions of training among current graduate students. Results found that many master's- and doctoral-level students were seeking a career that involved applied work, and the majority of these students desired to work with collegiate athletes. These findings can be used to prepare students for the existing market conditions and offer insight for future professionals.     

What might a non-confessional theory of Catholic education look like?

This article emulates the new stance of Professor Michael Hand on faith schools. He illustrates how theological criteria could be used to inform and guide curriculum aims in a way that avoids indoctrination and the perils of faith-based education. This approach is adopted vis-à-vis Catholic education in order to sketch out what a non-confessional theory of Catholic education might look like. It is argued that a central feature of Catholic theology, as presented by the leading theologian Karl Rahner, is a recognition of the centrality of mystery in human existence. This theological insight is applied to the curriculum and it is used to provide a theological justification for a non-confessional account of Catholic education.     

Team-level goal orientation: an emergent state and its relationships with team inputs,process, and outcomes

Building on recent efforts to extend the concept of goal orientation to teams, we identify team-level goal orientation as an emergent state, distinct from static trait goal orientations of team members. We reinforce this distinction by developing and testing hypotheses about team inputs, processes, and outcomes as determinants of the development of team goal orientation over time. We test our hypotheses with longitudinal data from 230 participants on 64 teams engaged in a management simulation. We find that team members’ trait goal orientations affect the team’s state goal orientation, but only in the early stages of team functioning. Team process and interim outcomes drive changes in team state goal orientation.     

The challenges of choosing and explaining a phenomenon in epidemiological research on the “Hispanic Paradox”

According to public health data, the US Hispanic population is far healthier than would be expected for a population with low socioeconomic status. Ever since Kyriakos Markides and Jeannine Coreil highlighted this in a seminal 1986 article, public health researchers have sought to explain the so-called “Hispanic paradox.” Several candidate explanations have been offered over the years, but the debate goes on. This article offers a philosophical analysis that clarifies how two sets of obstacles make it particularly difficult to explain the Hispanic paradox. First, different research projects define the Hispanic paradox phenomenon in substantially different ways. Moreover, using Bas van Fraassen’s pragmatic theory of explanation and Sean Valles’s extension of it with the concept of “phenomenon choice,” it also becomes clear that there are also multiple ways of explaining each individual definition of the phenomenon. A second set of philosophical and methodological challenges arises during any attempt to study “Hispanic” phenomena, with one key challenge being that the “Hispanic” panethnic concept was intentionally made vague as it was developed and popularized during the 1960s–1970s. After comparing this case with similar cases in the philosophical literature, the article concludes with observations on what makes this problem unique, particularly its ethical features.     

Faking revisited: Exerting strategic control over performance on the Implicit Relational Assessment Procedure

Across four studies, we demonstrate that effects obtained from the Implicit Relational Assessment Procedure, like those obtained from other indirect procedures, are not impervious to strategic manipulation. In experiment 1, we found that merely informing participants to “fake” their performance without providing a concrete strategy to do so did not eliminate, reverse, or in any way alter the obtained outcomes. However, when those same instructions orientated attention toward the core parameters of the task, participants spontaneously derived a strategy that allowed them to eliminate their effects (experiment 2). When the participants were provided with a viable response strategy, they successfully reversed the direction of their overall Implicit Relational Assessment Procedure effect (experiment 3). By refining the nature of those instructions, we managed to target and alter individual trial‐type effects in isolation with some success (experiment 4).     

Generalization of Supermarket Shopping Skills for Individuals with Mild Intellectual Disabilities Using Stimulus Equivalence Training

The Psychological Record - We developed an intervention to promote generalization in an applied community setting. The intervention was derived primarily from experimental research examining...     

An Empirical Evaluation of the Diagnostic Criteria for Premenstrual Dysphoric Disorder: Problems with Sex Specificity and Validity

Premenstrual dysphoric disorder is a psychiatric disorder that reportedly affects between 3 to 8% of women. Although not an official diagnosis in the current Diagnostic and Statistical Manual of Mental Disorders, premenstrual dysphoric disorder has received increasing attention in the clinical literature, and considerable debate exists regarding the validity of this proposed condition. This study examined the prevalence of premenstrual dysphoric disorder in a sample of women and men and assessed the construct validity of the disorder. Twenty percent of women met the criteria for provisional diagnosis of premenstrual dysphoric disorder using Diagnostic and Statistical Manual criteria. In addition, 4% of men met these criteria when given sex-neutral assessment forms. Self-reported psychological distress and impaired interpersonal functioning did not predict women's likelihood of meeting the criteria for premenstrual dysphoric disorder. Results cast doubt on the sex-specificity of the diagnostic criteria of premenstrual dysphoric disorder and the construct validity of the disorder. Limitations of this study are discussed.