Active heading control in simulated flight based on vertically extended contours

In two experiments, we manipulated the properties of 3-D objects and terrain texture in order to investigate their effects on active heading control during simulated flight. Simulated crosswinds were used to introduce a rotational component into the retinal flow field that presumably provided the visual cues used for heading control An active control task was used so that the results could be generalized to real-world applications such as flight simulation. In Experiment 1, we examined the effects of three types of terrain, each of which was presented with and without 3-D objects (trees), and found that the presence of 3-D objects was more important than terrain texture for precise heading control In Experiment 2, we investigated the effects of varying the height and density of 3-D objects and found that increasing 3-D object density improved heading control, but that 3-D object height had only a small effect. On the basis of these results, we conclude that the vertical contours improved active heading control by enhancing the motion parallax information contained in the retinal flow.     

Life Stress,Social Support,and Problem-Solving Skills Predictive of Depressive Symptoms,Hopelessness, and Suicide Ideation in an Asian Student Population: A Test of a Model

The present study tested both a stress-problem-solving model and a stress-social support model in the etiology of depressive symptoms, hopelessness, and suicide ideation for a group of Asian international students in the United States. Problem-solving skills and social support were hypothesized as two mediators between life stress and depressive symptoms, hopelessness, and suicide ideation. The results from a series of stepwise regression analyses and a path analysis support the hypotheses, indicating that these models generalized to a sample of Asian international students. The roles of social support and problem-solving skills in depressive symptoms and hopelessness are discussed. The results also suggest that hopelessness may serve as a cognitive factor directly affecting depressive symptoms and indirectly affecting suicide ideation.     

Pavlov and the mind-body problem

I. P. Pavlov claimed that the mind-body problem would ultimately be resolved by empirical methods, rather than by rational arguments. A committed monist, Pavlov was confronted by dualism in the case of an hysterical person. Under normal conditions, her body's left side was insensitive to pain, but when she was hypnotized, there was a reversal of her sensitivity to pain, with the right side becoming insensitive. Pavlov acknowledged that the divergence between stimulation and response suggested dualism, yet condemned his disciple G.P. Zelenyî as well as Charles S. Sherrington, for their dualistic tendencies. Pavlov's continuous adherence to monism is attributed to the influence of popular scientific books that he read during his adolescence. The books maintained that science was based upon monism. Pavlov proposed that by introducing the concept of emotions, an hysterical person's condition could be explained within the framework of his theory of higher nervous activity, thereby obviating the need to change his paradigm.     

Memory-based versus on-line processing: Implications for attitude strength

Three experiments tested whether the manner in which attitudes are created—through on-line or memory-based processing—can impact the resultant strength of those attitudes. In each study, participants were presented with 20 behavioral statements about a person named Marie. Whereas some participants were asked to continually evaluate Marie based upon each sentence and then report their overall evaluation (on-line processing), others were asked to focus on the sentence structure and to evaluate Marie only after they had read all the sentences (memory-based processing). Even when controlling for attitude accessibility, attitudes created through on-line processing were stronger than attitudes created through memory-based processing: Experiment 1 showed that participants in the on-line condition felt more certain of their attitudes, Experiment 2 showed that on-line attitudes were better predictors of participants’ evaluative preferences, while Experiment 3 showed that on-line attitudes manifested stronger attitude-behavioral intention correspondence.     

‘Oh I do like to be beside the seaside’: opportunity structures for four un/underemployed young people living in English coastal towns

Long-term unemployed young people are a ‘social concern’ in many countries. The focus for research is usually cities, but may also include rural areas. The qualitative study described in this paper focuses instead on four young people living in coastal towns in South East England. The study suggests that their experiences in education and employment markets are shaped, negatively, by their particular location and the ongoing opportunity structures. The paper outlines their views and discusses the three main themes that emerged from the analysis: opportunity structures, supported resilience and the impact of living in a coastal town. Implications for targeted youth guidance are considered, alongside a consideration of the reflexive role of the researcher in such work.     

The Effect of Expected Value on Attraction Effect Preference Reversals

The attraction effect shows that adding a third alternative to a choice set can alter preference between the original two options. For over 30 years, this simple demonstration of context dependence has been taken as strong evidence against a class of parsimonious value‐maximising models that evaluate alternatives independently from one another. Significantly, however, in previous demonstrations of the attraction effect alternatives are approximately equally valuable, so there was little consequence to the decision maker irrespective of which alternative was selected. Here we vary the difference in expected value between alternatives and provide the first demonstration that, although extinguished with large differences, this theoretically important effect persists when choice between alternatives has a consequence. We use this result to clarify the implications of the attraction effect, arguing that although it robustly violates the assumptions of value‐maximising models, it does not eliminate the possibility that human decision making is optimal. © 2016 The Authors Journal of Behavioral Decision Making Published by John Wiley & Sons Ltd.     

Inter‐religious Discourse on Climate Change: Roman Catholic and African Traditional Perspectives

The future of our planet poses many challenges for our generation, possibly more than ever before. Overpopulation, rapid industrialization, heightened consumerism, unrestricted technologies, and other human activities are affecting every region of land and water, and causing environmental degradation on an enormous scale. Indeed, not only are we altering the climate and radically undermining life, but we are also triggering a mass extinction of species and putting future generations in a predicament. The Catholic Church values this world and believes that the transcendent creator and an immanent Spirit dwell deep in the created world and that one finds God when one loves the world God has created and redeemed. Any activity that demeans and devalues creatures demeans the creator, as much as reverence for and joy over everything and every person becomes the sign of the love for God. Human sinfulness is doubtless the major cause of the environmental crisis. Consequently, this contribution argues that through the ritual of prayer that weaves humans into the rhythm of natural cycles, the Catholic Church can lead to changing people's hearts and contribute to restoring the environment. The essay also argues that in order to effectively fulfil its role of changing people's mindsets toward the environment, the church must dialogue with African Traditional Religions.     

The Concept of <Emphasis Type="Italic">Krisis</Emphasis> in Husserl’s <Emphasis Type="Italic">The Crisis of the European Sciences and Transcendental Phenomenology</Emphasis>

In The Crisis of the European Sciences and Transcendental Phenomenology, Husserl argues that the only way to respond to the scientific Krisis of which he speaks is with phenomenological reflections on the history, method, and task of philosophy. On the assumption that an accurate diagnosis of a malady is a necessary condition for an effective remedy, this paper aims to formulate a precise concept of the Krisis of the European sciences with which Husserl operates in this work. Thus it seeks an answer to the question: What exactly, according to Husserl, is “the ‘crisis’ [Krisis] of the European sciences”? There are two different tendencies in the literature on this question. According to the traditional interpretation, the Krisis of the European sciences lies not in the inadequacy of their scientificity but in the loss of their meaningfulness for life. According to an innovative suggestion, the Krisis lies not in the loss of their meaningfulness for life but in the inadequacy of their scientificity. These readings are mutually exclusive because each claims that the other misidentifies the Krisis as something that it is not. The argument of this paper, however, is that, given the many different senses of Krisis in The Crisis, an adequate understanding of the Krisis that Husserl identifies requires not a disjunctive but an inclusive approach. Therefore the paper proposes that Husserl’s Krisis of the European sciences is both a crisis of their scientificity and a crisis of their meaningfulness for life. The relevance of this result to Husserl’s philosophical and historical sense-investigations in The Crisis—as well as to the present critical situation of philosophy—is self-evident.     

Contrast,inference and scientific realism

The thesis of underdetermination presents a major obstacle to the epistemological claims of scientific realism. That thesis is regularly assumed in the philosophy of science, but is puzzlingly at odds with the actual history of science, in which empirically adequate theories are thin on the ground. We propose to advance a case for scientific realism which concentrates on the process of scientific reasoning rather than its theoretical products. Developing an account of causal–explanatory inference will make it easier to resist the thesis of underdetermination. For, if we are not restricted to inference to the best explanation only at the level of major theories, we will be able to acknowledge that there is a structure in data sets which imposes serious constraints on possible theoretical alternatives. We describe how Differential Inference, a form of inference based on contrastive explanation, can be used in order to generate causal hypotheses. We then go on to consider how experimental manipulation of differences can be used to achieve Difference Closure, thereby confirming claims of causal efficacy and also eliminating possible confounds. The model of Differential Inference outlined here shows at least one way in which it is possible to ‘reason from the phenomena’.     

Sex-typed play in feminoid boys versus normal boys and girls

Procedures for assessing children's sex-typed play were developed which (a) examined children's continuous play in four sessions totaling 20 minutes rather than measuring only initial choice of a sex-typed toy, and (b) did not impose the stimulus-specific condition of requiring an adult experimenter to be present to administer the task. Play with masculine and feminine toys was observed for 120 normal children (60 boys, 60 girls) aged 3 yr.–8 yr., and 15 similarly aged boys diagnosed as having childhood gender disturbance. Significant differences were found in the sex-typed play of the two normal groups, but no age differences were observed. The amount of feminine play by the feminoid boys was found to be significantly greater than that of normal boys, but not significantly different from the predominantly feminine play patterns of the normal girls. The usefulness of such a measure for the clinical assessment of deviant sexrole development in young children is discussed.This study was supported by United States Public Health Service Research Grant #MH 21803-01A1, 02, 03 from the National Institute of Mental Health. The University Elementary School at UCLA is gratefully acknowledged for providing a normal subject population and laboratory facilities. The authors express their appreciation to Stanley Conrad, Roni Greenberg, Alfred Lauck, Benson Low, and Martin Magy for their assistance in data collection.