Modifications of the Poggendorff effect as a function of random dot textures between the verticals

In the present research, we investigated the modification of the strength of the Poggendortf illusion as a function of different densities ofrandom dot textures failing the space between the verticals. The results ofExperiment 1 show that the illusory effect is a nonlinear function ofthe texture parameterr, the ratio of black pixels to white and black pixels, with a minimum forr=0.5, approximately, and a maximum forr=0 andr=1. The results may be interpreted by an analytical model of perceptual space dynamics, in which the effect dependson the amount of interaction between points of different light intensity. A computer simulation performed by applying the analytical model to different values ofr shows a good agreement between the predictions and the experimental data. To test the hypothesis underlying the model, a second experiment was carried out to measure the magnitude of the expansion ofthe space between the verticals as a function of the parameterr. The results are consistent with the hypothesis of the model. The overall data are discussed in terms of their implications on various theories proposed for the Poggeadorff illusion.     

Beyond belief bias: Reasoning from conceptual structures by mental models manipulation

Mental models constitute an alternative to the rule-based systems in the explanation of human reasoning (Johnson-Laird, 1983). In this paper, we claim that the concept of believability generally used to categorize content and context effects is of little use within a semantic theory. Thus, we propose the use of categories that are directly extracted from subjective relations among concepts within the reasoning problem. We demonstrate that manipulations based on this kind of categorization produce predictable patterns of responses in reasoning problems. We present two experiments to test our predictions, using conditional and syllogistic reasoning problems, and in both cases, we demonstrate the influence of conceptual knowledge not only in natural contexts, but also in experimentally created artificial contexts.     

The postmodern counsellor: Some implications for practice,theory, research and professionalism

What is postmodernism? What are the implications of the death of God, science and the subject for counselling? Further questions include: To what extent does postmodernism, show that behavioural, humanistic, existential, and most psychoanalytic theories are delusional in that they would have the clients/patients believe that they are the core, the centre, the subject? What are the dangers of seeing ‘others’ practically, theoretically and when conducting research as either enhancing our narcissism and/or the counselling order? In terms of an ethical practice, can the postmodern counsellor stop counselling from reverting to a technique orientated mechanism of professional vested interests, and instead find a better way for us all to put the other first?     

Maternal employment and socioeconomic status as factors in daughters' career salience: Some substantive refinements

Research on children of working mothers has indicated that an important relationship exists between maternal employment and subsequent career salience of female offspring. Effects caused by socioeconomic factors have been noted in this relationship but have not been examined either systematically or over time. In the present study, socioeconomic differences were controlled for examination of longitudinal data on established critical factors in career salience of female college graduates. Multiple regression models were estimated for three points in time, covering an eight-year period, for subsamples of single and married women. Details about mother's employment history, respondent's recollection of the attitudes of family members concerning that employment, and indicators of daughter's sex-role ideology were independent variables. Maternal employment was significantly related to both single and married daughters' career salience but in opposite directions and accounted for only a minimum of the observed variance. Related maternal employment variables are associated with career salience of single women early in their postbaccalaureate careers and are not associated with the career salience of married women until somewhat later. Sex-role ideology was important for the career salience of married women but not for single women. The importance of a generalizable context for these findings is discussed.Support for this research was provided in part by a grant from the University of Wisconsin Graduate School and NIMH Grant Number MH-13112 to the Departments of Sociology and Psychiatry, Duke University. This research was based on a part of the author's doctoral dissertation.     

The Del Greco Assertive Behavior Inventory

Previous research in the area of assertiveness training has been examined with respect to the definitions of assertive, aggressive, and nonassertive behavior and the prominent assertion model. Logical inconsistencies have led to a refinement of the definitions of these behaviors, the inclusion of passive aggressive behavior, and the testing of a new two-dimensional model of assertion. The present study has developed a psychometric test to measure assertive, aggressive, nonassertive, and passive aggressive behavior in the college dormitory population. In addition, support was demonstrated for the validity of the two dimensional model of assertion. The instrument development was divided into four phases: item generation, item evaluation and revision, reliability testing and item analysis, and validity testing. Data analysis supported the two-dimensional model of assertion. In addition, an 86-item Del Greco Assertive Behavior Inventory designed for use with college dormitory students has weathered preliminary validity and reliability testing.     

Epistemic needs and learned helplessness

This study assesses the impact of non-specific epistemic needs—the need for structure and the fear of invalidity—on expectancy of control and performance following unsolvable problems. Subjects answered a questionnaire tapping their non-specific epistemic needs and were exposed to either no feedback or failure in unsolvable problems. Then their expectancies of control and performance were assessed. The results showed that a high need for structure was associated with a transfer of the expectancy of uncontrollability and worse performance following failure. The results are discussed in terms of Kruglanski's lay epistemic theory.     

Public acceptance of Covid-19 lockdown scenarios

By mid-March 2020, most countries had implemented nationwide lockdown policies aimed at decelerating the spread of SARS-CoV-2. At that time, nobody knew how long these policies would have to remain in force and whether they would have to be extended, intensified or made more flexible. The present study aimed to illuminate how the general public in Germany reacted to the prospect of increasing the length, the intensity and/or the flexibility of distancing rules implied by different lockdown scenarios. Endorsement of and compliance with five specific lockdown scenarios were assessed in a large (N = 14,433) German sample. Results showed that lockdown length affected respondents' reactions much more strongly than intensity or flexibility. Additional analyses (i.e., mixture distribution modelling) showed that half of the respondents rejected any further extensions or intensifications, while 20% would endorse long-term strategies if necessary. We argue that policy-makers and political communicators should take the public's endorsement of and compliance with such scenarios into account, as should simulations predicting the effects of different lockdown scenarios.     

Some subordinates are more equal than others: Play fihgting amongst adult subordinate male rats

Adult male rats living together form dominance relationships, with one dominant and the remainder adopting subordinate roles. In previous studies, it was shown that in adult male pairs, the subordinate rat initiates more playful contacts and retains a more juvenile response to the playful contacts by the dominant. In this experiment, triads were used to examine the play between subordinate males. The subordinates directed fewer playful contacts to each other than to the dominant rat, and there was a symmetrical play relationship between the subordinates. After the dominant was removed from the colony, one subordinate became the dominant. Playful interactions amongst these pairs increased, with the subordiante intiating more playful contacts than the dominant. Furthermore, from a similarly low frequency of juvenile-type response to playful contact to each other when in triads, the subordinate in the dyads increased its frequency of juvenile responses to the dominant partner. This supports the hypothesis that the playful behavior of subordinate male rats towards the dominant is an adaptive response, playful behavior of subordinate male rats towards the dominant is an adaptive response, serving a “friendship maintenance” function. Finally, when in triads, one subordinate was more playful with the dominant than the other subordinate. It was the least playful subordinate that was the most likely to become the dominant. This sugests that within a colony, not all subordinates are the same. © 1993 Wiley-Liss, Inc.