An Operant Electromagnetic Chamber

Forty-eight middle-class fathers having their first child were divided into three groups: An Experimental Group received a demonstration of physical and behavioral characteristics of their own infants resulting in a doubling of the usual time for interaction during the first two days. A Hospital Group spent the same amount of time viewing a prepared videotape of the same characteristics of a newborn infant who was not theirs. An Office Control Group, without experimental intervention, was recruited to control for effects of demand characteristics of the experimental situation. All three groups attended their infants' one-month well-baby examination where outcome measures were obtained. Analyses of variance showed no differences between groups on demographic or pregnancy variables. Further, 108 analyses of variance for 36 father and infant behaviors scored from videotapes did not reveal significant group differences. It is argued that in addition to amount of early contact and sex of parent, crucial socioeconomic factors need to be considered.     

Visual and Kinesthetic Components of Pursuit-Tracking Performance

Ss (N=75) were trained on a pursuit rotor for 10 trials with ambient illumination from a strobe light flashing at frequencies of either 2, 5, 10, 15, or 20/sec. A transfer trial followed, with a strobe flashing frequency of 10/sec for all Ss. Results supported hypotheses derived from Adams’ (1971) closed-loop theory of motor learning that (a) performance would improve during training as a function of amount of visual feedback available, and that (b) if after training visual feedback was reduced, performance would be maintained to the extent that reliance upon kinesthetic feedback had been learned as an alternate compensatory feedback loop.     

Religious Congregations and Social Justice Participation: A Multilevel Examination of Social Processes and Leadership

Religious congregations have potential to be mediating structures for social justice participation. However, research has yet to examine the specific social processes or leadership characteristics within congregations that may promote social justice participation. In this study, we use data from 176,901 participants nested within 1,938 congregations to test how social processes (i.e., religious attendance at worship services, extra-worship participation, bonding social capital, a congregational norm for justice) and leadership characteristics (i.e., leader modeling of justice, horizontal leadership style) predict personal social justice involvement through the congregation (i.e., participation in social justice activities sponsored by the congregation) as well as personal social justice involvement outside the congregation (i.e., participation in social justice activities not sponsored by the congregation). We use multilevel logistic regression to examine these social processes and leadership characteristics at both individual and congregational levels of analysis. Results showed distinct patterns of associations at individual and congregational levels of analysis and that different social processes and leadership characteristics predicted personal social justice participation through or outside the congregation. These findings reveal the importance of social processes and leadership characteristics in understanding how congregations may mediate social justice participation. Implications for community psychology research and practiced also are discussed.     

Examining Patterns of Political, Social Service, and Collaborative Involvement of Religious Congregations: A Latent Class and Transition Analysis

This investigation examines typologies of congregations based on patterns of congregational political and social service activities and collaborative partners. Based on a latent class analysis of a national random sample of 2,153 congregations, results indicated four distinct types of congregations with unique patterns of political, social service, and collaborative partnerships labeled: (a) Active, (b) Not Active, (c) Social Service Not Political, and (d) Political Not Social Service. Moreover, congregational characteristics such as religious tradition and clergy characteristics predicted membership in certain types. A latent transition analysis using an additional 262 congregations revealed distinct patterns of how congregations changed types across a nine year period. Results showed both congregational continuity (e.g., Not Active congregations remained Not Active) and change (e.g., Active congregations were likely to change type membership). This study advances congregational research by examining congregational types, what predicts certain types, and how congregations change types across time. Implications for future research and partnership with religious congregations also are discussed.     

A stop-signal task for sheep: introduction and validation of a direct measure for the stop-signal reaction time

Huntington’s disease (HD) patients show reduced flexibility in inhibiting an already-started response. This can be quantified by the stop-signal task. The aim of this study was to develop and validate a sheep version of the stop-signal task that would be suitable for monitoring the progression of cognitive decline in a transgenic sheep model of HD. Using a semi-automated operant system, sheep were trained to perform in a two-choice discrimination task. In 22% of the trials, a stop-signal was presented. Upon the stop-signal presentation, the sheep had to inhibit their already-started response. The stopping behaviour was captured using an accelerometer mounted on the back of the sheep. This set-up provided a direct read-out of the individual stop-signal reaction time (SSRT). We also estimated the SSRT using the conventional approach of subtracting the stop-signal delay (i.e., time after which the stop-signal is presented) from the ranked reaction time during a trial without a stop-signal. We found that all sheep could inhibit an already-started response in 91% of the stop-trials. The directly measured SSRT (0.974 ± 0.04 s) was not significantly different from the estimated SSRT (0.938 ± 0.04 s). The sheep version of the stop-signal task adds to the repertoire of tests suitable for investigating both cognitive dysfunction and efficacy of therapeutic agents in sheep models of neurodegenerative disease such as HD, as well as neurological conditions such as attention deficit hyperactivity disorder.     

Central and Marginal Forgiveness: Comments on Charles Griswold’s <Emphasis Type="Italic">Forgiveness; a Philosophical Exploration</Emphasis>

I discuss Charles Griswold’s Forgiveness, arguing that he classifies as marginal many cases that we normally count as forgiveness. Moreover the phenomenon that he calls “forgiveness at its best” may include some awful aspects of human nature. Nevertheless, there are central and important aspects of the concept that are captured by his discussion.     

Using the Good Behavior Game with High School Special Education Students: Comparing Student- and Teacher-Selected Reinforcers

The authors investigated the implementation of the Good Behavior Game (GBG) on disruptive behaviors of high school special education students. Additionally, the study compared the effect of student-selected rewards versus teacher-selected rewards. A multielement withdrawal (A/[B?+?C]/A/[B?+?C]) design was used in the classroom to monitor behavior and compare the reward topography. Results suggested that the GBG decreased the frequency of disruptive behavior in both teams; however, there were no notable differences across reward type for either team. Effect sizes were reported using nonoverlap of all pairs. Nonoverlap of all pairs scores indicated moderate-to-large effects for the GBG, but small effects for reward topographies. Limitations and future directions are also discussed.     

A standardised database of Chinese emotional film clips

Film clips are widely used in emotion research due to their relatively high ecological validity. Although researchers have established various film clip sets for different cultures, the few that exist related to Chinese culture do not adequately address positive emotions. The main purposes of the present study were to establish a standardised database of Chinese emotional film clips that could elicit more categories of reported positive emotions compared to the existing databases and to expand the available film clips that can be used as neutral materials. Two experiments were conducted to construct the database. In experiment 1, 111 film clips were selected from more than one thousand Chinese movies for preliminary screening. After 315 participants viewed and evaluated these film clips, 39 excerpts were selected for further validation. In experiment 2, 147 participants watched and rated these 39 film clips, as well as another 8 excerpts chosen from the existing databases, to compare their validity. Eventually, 22 film excerpts that successfully evoked three positive emotions (joy, amusement, and tenderness), four negative emotions (moral disgust, anger, fear, and sadness), and neutrality formed the standardised database of Chinese emotional film clips.     

Internalism and the Origin of Rational Motivation

What makes a subject's motivationrational is its originating in her practicalreasoning. I explain the appeal of this thesisabout rational motivation, and explore itsrelation to recent discussions of internalismabout reasons for action. I do so in theservice of clarifying an important meta-ethicaldebate between Humean motivational skeptics andtheir Kantian opponents. This debate is oneover whether, as this skeptic contends andKantians deny, considerations about ourmotivational capacities, together withinternalism, restrict genuine reasons foraction to merely instrumental ones. I arguethat properly adjudicating this debate requiresidentifying one particular way in which thethesis about rational motivation has beendeveloped – namely, as a part of what I term``the traditional conception' of themotivational efficacy of practical reason. Onthis conception, rational motivation consistsin choosing some course of conduct out of one'scognitive appreciation of the way its relationto one's practicable good gives one reason todo so. And I side with Kantians against theHumean motivational skeptic in part on groundsthat Kant himself – though not all Kantians –would find congenial: namely, that we shouldaccept the traditional conception.