Evidence for selective target processing with a low perceptual load flankers task

In this article, we demonstrate that selective target processing is possible when the perceptual load of the task is low. We presented a row of three items with two different identities: one identity for the target letter and one for the two flankers (B. A. Eriksen & C. W. Eriksen, 1974). Such stimulus arrays have been defined as low-load displays (Lavie & Tsal, 1994). We investigated whether subjects could ignore the irrelevant flankers, which were never response alternatives, by manipulating the predictive relationship between the flankers and the response (Miller, 1987). In a high-correlation block, the identity of the flankers was highly predictive of the target identity, whereas in a lowcorrelation block, the predictive value of the flankers was reduced. We varied (1) whether or not the target location was precued, (2) the flanker’s category (digit vs. letter), (3) the target-flanker proximity (near = 3° vs. far = 5°), and (4) the size of the characters. The results indicate that subjects were influenced by the predictive value of near flankers and that the magnitude of this effect was jointly modulated by the target-flanker categorical overlap and by the size of the characters. In contrast, null flanker effects were obtained for far letter flankers in the precue condition, and for far digit flankers, regardless of attentional cuing. These findings (1) are inconsistent with suggestions (Lavie, 1995) that irrelevant stimuli automatically capture attention, and (2) support the notion that target-flanker distinctiveness plays a role when the perceptual load of the task is low.     

Fowler's Stages of Faith Development in an Honors Science-and-Religion Seminar

According to Paul Tillich's understanding of religion as "ultimate concern," a religious dimension is implicit in all university curricula. A science-and-religion course, such as one taught at Southeast Missouri State University, can offer students the opportunity to integrate their worldview, taking seriously both religious ideas and scientific information. Assignments based on A. E. Lawson's model of a learning cycle provide a vehicle for evaluating significant student learning leading toward fuller integration. The stages of faith developed by James W. Fowler serve as a fruitfull framework for interpreting changes in student viewpoints. Fowler's six stages of faith are characterized. Examples from student writing assignments demonstrate shifts in the cognitive understanding of faith that coincide with Fowler's stages.     

Tactile pattern perception by two fingers: Temporal interference and response competition

The identification of a spatial pattern (target) presented to one fingerpad may be interfered with by the presentation of a second pattern (nontarget) to either the same fingerpad or a second fingerpad. A portion of the interference appears to be due to masking and a portion to response competition. In the present study, vibrotactile spatial patterns were designed to extend over two fingerpads. Target and nontarget patterns were presented to the same two fingerpads with a temporal separation between the two patterns. The function relating target identification to the temporal separation between the target and nontarget was very similar to the functions obtained with one-finger patterns in temporal masking studies. Subsequent measurements showed that a substantial portion of the interference resulted from response competition. Pattern categorization was better when patterns were presented to two fingers on opposite hands than to two fingers on the same hand; however, there was more interference for patterns presented bilaterally than for patterns presented ipsilaterally. The results supported the conclusion that similar processes are involved in the perception of sequences of spatial patterns whether the patterns are presented to one or to two fingers.     

INCREASING SELF-DETERMINATION: TEACHING PEOPLE WITH MENTAL RETARDATION TO EVALUATE RESIDENTIAL OPTIONS

The community living preferences of 4 institutionalized adults with mild mental retardation were identified using photographs that depicted a variety of residential characteristics. Individuals then were taught to obtain information regarding their preferences during tours of community group homes, to report that information to their social worker, and to evaluate the homes based on the information obtained. A multiple baseline across participants design showed that all 4 participants substantially increased their skills at asking questions, reporting information, and evaluating homes. The results indicate that people with mental retardation can take an active role in major lifestyle decisions that others have typically made for them.     

Different WAIS-R short forms and their relation to ethnicity

Potential racial bias on commonly used WAIS-R short forms was examined in a group of 201 African-Americans matched with Caucasians in terms of age, education, gender, and occupational status. Within racial groups, all short form IQs correlated highly with the WAIS-R IQs (all rs 0.87). Although relatively large racial differences emerged on the Block Design, Vocabulary, and Arithmetic subtests, only mild racial discrepancies emerged for three out of the seven short forms investigated. While the magnitude of the results for the short forms was mild, based on these findings it was suggested that certain short forms not be used with African-Americans in order to minimize the potential influence of racial basis.     

‘Cognitive inhibition’ and schizotypy as measured by the Oxford-Liverpool inventory of feelings and experiences

Previous studies have reliably shown a reduced level of the negative priming effect in both schizophrenics and high schizotypes. Measurement of symptom orientated aspects of schizotypy has previously utilised lengthy questionnaires such as the CSTQ, or individual use of several different questionnaires. We attempted to replicate previous findings with use of the OLIFE, a relatively short schizotypy questionnaire derived from the CSTQ. Consistent with recent research, reduced negative priming was significantly linked with subjects scoring high on scales related to positive, and not negative, aspects of schizophrenic symptomatology, whilst the Stroop effect was found to be independent of all measures of schizotypy. The OLIFE served as a useful tool, allowing examination of specific aspects of schizotypy within the time pressures of a laboratory environment.     

Introduction to the special issue

This article provides an overview of the special issue of Motivation and Emotion, which will appear in two parts. This special issue examines the enduring contributions of the research of John T. Lanzetta and his colleagues on facial expression and emotion. In its entirety, the special issue consists of five articles and an epilogue. Part 1 (this issue of Motivation and Emotion) consists of the first three articles, and Part 2 (to appear as part of the next issue of Motivation and Emotion) consists of the final two articles and the epilogue. The first article provides an in-depth review of the Lanzetta research program, and describes this program as developing along four distinct lines that, respectively, cover work on (a) the facial feedback hypothesis, (b) the power of facial expression as an emotionally evocative stimulus, (c) the role of facial expression in empathy and counter-empathy, and (d) the relations between facial displays of powerful political leaders and observers' attitudes toward those leaders. Each of the subsequent four articles considers, in turn, the current status and future promise of one of these research lines as it has continued to grow and develop outside of the Lanzetta research program. Part 2 of the special issue concludes with an epilogue that highlights the major themes and conclusions that course through the entire body of research considered in this special issue.We would like to express our appreciation to Basil Englis, Arvid Kappas, Bob Kleck, and Scott Orr, each of whom contributed to the development of this special issue in a variety of ways.     

Epilogue: Overarching themes and enduring contributions of the Lanzetta research program

In this Epilogue we step back from the four research lines that have been the focus of this two-part Special Issue and discuss four important themes that run through the Lanzetta research program: (1) the importance of the face as a fundamental channel of social communication, (2) the physiological nature of the information conveyed by facial expression, (3) the realization that response to facial expressions involve multiple levels of cognitive processing, and (4) the value in using multiple convergent measures and creative experimental paradigms to study complicated phenomena like emotional facial expressions. The ways in which these themes carry through the individual research lines are described, and important implications of the themes are highlighted.     

The Fort Bragg managed care experiment: Short term impact on psychopathology

Many concerns have been raised about mental health services for children and adolescents. These concerns have included not treating those in need and providing inappropriate services to those who are treated. The continuum of care philosophy purports to remedy these problems by offering a comprehensive and coordinated range of services emphasizing community-based treatment. Services in the continuum include alternatives to trditional restrictive forms of care such as hospitalization. The provision of more appropriate care is hypothesized to improve the clinical outcomes of children treated in a continuum of care. The Fort Bragg Evaluation compared quality, use, outcome, and cost of the continuum of care model to a more traditional, fragmented system of care. This paper presents the effects of a service delivery system on short term psychopathology outcomes.     

Research in the Psychological Laboratory: Truth or Triviality?

This article examines the truism that studies from psychological laboratories are low in external validity. Past rational and empirical explorations of this truism found little support for it. A broader empirical approach was taken for the study reported here; correspondence between lab and field was compared across a broad range of domains, including aggression, helping, leadership style, social loafing, self-efficacy, depression, and memory, among others. Correspondence between lab- and field-based effect sizes of conceptually similar independent and dependent variables was considerable. In brief, the psychological laboratory has generally produced psychological truths, rather than trivialities. These same data suggest that a companion truism about field studies in psychology—that they are generally low on internal validity—is also false.