Hans Jonas's diagnosis of nihilism: The case of Heidegger

This paper is concerned with the implications of Husserl's phenomenological reformulation of the problem of error. Following Husserl, I argue that the phenomenon of error should not be understood as the accidental failure of a fully constituted cogito, but that it is itself constitutive of the cogito's formation. I thus show that the phenomenon of error plays a crucial role in our self-understanding as unified subjects of experience. In order to unpack this 'hermeneutical function' of error, I focus on three inter-related notions which are recurrently used by Husserl to refer to the central aspects of error apprehension: explosion (Explosion), replacement (Ersatz), and cancellation (Durchstreichung). My discussion, however, does not remain committed to the Husserlian framework as such. This is not only because Husserl's notion of explosion proves itself untenable, but because the Husserlian paradigm does not make room for a linguistic dimension intrinsic, in my view, to the realization of error. Hence, I proceed by reconstructing the Husserlian terms as tropes of realization, as narratological devices in the 'language game' of error. I argue that these hermeneutical devices are necessary for maintaining what Nietzsche would call the self's 'semblance of unity'. The assumption of one single subject is perhaps unnecessary; perhaps it is just as permissible to assume a multiplicity of subjects, whose interaction and struggle is the basis for our thought and our consciousness in general? (Nietzsche, The Will to Power #490)     

Resolution of conflicts between internal and external information sources on a time reproduction task: the role of perceived information reliability and attributional style

Erroneous knowledge of results (KR) that conflicts with other internal or external information sources is preferentially used and misguides performance on motor and mental timing tasks. Buekers et al. [J. Motor Behavior 26 (1994) 27] hypothesized that KR is used preferentially because participants deem it to be the most reliable information source. We tested this hypothesis in two experiments. We manipulated subjective reliability of information and information content and demonstrated that both reliability and content are assessed and used. In a third experiment we examined whether attributional style affected the use of internal and external information. While KR was present, attributional style was unrelated to performance. However, when erroneous KR was withdrawn, participants who scored high in internal attributional style or high in controllability showed more accurate performance. Whereas evaluation of information quality is explicit, information provided by the KR, whether accurate or not, may influence both implicit and explicit aspects of the tasks.     

Assessing the causal structure of function

Theories typically emphasize affordances or intentions as the primary determinant of an object's perceived function. The HIPE theory assumes that people integrate both into causal models that produce functional attributions. In these models, an object's physical structure and an agent's action specify an affordance jointly, constituting the immediate causes of a perceived function. The object's design history and an agent's goal in using it constitute distant causes. When specified fully, the immediate causes are sufficient for determining the perceived function--distant causes have no effect (the causal proximity principle). When the immediate causes are ambiguous or unknown, distant causes produce inferences about the immediate causes, thereby affecting functional attributions indirectly (the causal updating principle). Seven experiments supported HIPE's predictions.     

Logics for Epistemic Programs

We construct logical languages which allow one to represent a variety of possible types of changes affecting the information states of agents in a multi-agent setting. We formalize these changes by defining a notion of epistemic program. The languages are two-sorted sets that contain not only sentences but also actions or programs. This is as in dynamic logic, and indeed our languages are not significantly more complicated than dynamic logics. But the semantics is more complicated. In general, the semantics of an epistemic program is what we call aprogram model. This is a Kripke model of ‘actions’,representing the agents' uncertainty about the current action in a similar way that Kripke models of ‘states’ are commonly used in epistemic logic to represent the agents' uncertainty about the current state of the system. Program models induce changes affecting agents' information, which we represent as changes of the state model, called epistemic updates. Formally, an update consists of two operations: the first is called the update map, and it takes every state model to another state model, called the updated model; the second gives, for each input state model, a transition relation between the states of that model and the states of the updated model. Each variety of epistemic actions, such as public announcements or completely private announcements to groups, gives what we call an action signature, and then each family of action signatures gives a logical language. The construction of these languages is the main topic of this paper. We also mention the systems that capture the valid sentences of our logics. But we defer to a separate paper the completeness proof. The basic operation used in the semantics is called the update product. A version of this was introduced in Baltag et al. (1998), and the presentation here improves on the earlier one. The update product is used to obtain from any program model the corresponding epistemic update, thus allowing us to compute changes of information or belief. This point is of interest independently of our logical languages. We illustrate the update product and our logical languages with many examples throughout the paper.     

Locus of Control and Academic Engagement: Mediating Role of Religious Commitment

Earlier studies have shown that locus of control is related to academic processes and outcomes. However, the nature of the relationship between locus of control, religious commitment, and academic engagement is unclear. This study examined the mediating role of religious commitment in linking locus of control with academic engagement, as well as the engagement dimensions - vigour, dedication, and absorption. Four hundred and eight university students completed the Locus of Control Behaviour Scale, Religious Commitment Inventory and Utrecht Work Engagement Scale – Student version. Locus of control was found to be positively related to the outcome variables. Intrapersonal religious commitment was positively related to the outcome variables. Interpersonal religious commitment did not have a significant relationship with vigour and absorption but it was significantly related to dedication and the total scores of academic engagement. Structural equation modelling analyses indicated significant paths from locus of control to academic engagement through both intrapersonal religious commitment and interpersonal religious commitment. Locus of control and religious commitment are suggested to be relevant in programmes and interventions to enhance academic engagement.     

Congruence in Sales Force Evaluations: Relation to Sales Force Perceptions of Conflict and Ambiguity

Abstract

This research examined the relationship between salespersons' perceptions of role conflict and role ambiquity from various sources and the degree of agreement between salespeople and sales managers on salesperson performance. Three sources of role ambiguity were found to explain the most variance in performance congruence. Implications for management are discussed.     

Synesthesia: Strong and Weak

In this review, we distinguish strong and weak forms of synesthesia. Strong synesthesia is characterized by a vivid image in one sensory modality in response to stimulation in another one. Weak synesthesia is characterized by cross-sensory correspondences expressed through language, perceptual similarity, and perceptual interactions during information processing. Despite important phenomenological dissimilarities between strong and weak synesthesia, we maintain that the two forms draw on similar underlying mechanisms. The study of strong and weak synesthetic phenomena provides an opportunity to enrich scientists' understanding of basic mechanisms involved in perceptual coding and cross-modal information processing.     

The Science and Ethics of Placebo in Pediatric Psychopharmacology

Pediatric psychopharmacology is a relatively new science. Although the use of psychotropic medications in children has risen in the past decade, there are few standard treatments for serious psychiatric or developmental disorders of childhood. The relative absence of standard treatments is further complicated by the fact that many of the agents used in pediatric psychopharmacology have been adapted from other fields. Therefore, investigators have a responsibility to make incremental progress from concept through pilot studies and large-scale, multisite efficacy and safety trials. Thus, although there is a pressing need to conduct medication trials that can guide clinical practice, there are scientific and ethical considerations to bear in mind when designing clinical trials in pediatric psychopharmacology. This article reviews essential ethical and scientific issues that are relevant to designing clinical trials in children with psychiatric and developmental disorders. Using examples from recently published literature, the article describes the challenges and pitfalls of various clinical trial study designs. The application of sound ethical and scientific principles is necessary to ensure that clinical trials are properly conducted and to guard against ambiguous results that can not guide practice.     

Teacher Acquisition of Functional Analysis Methods Using Pyramidal Training

Pyramidal training involves an experienced professional training a subset of individuals who, in turn, train additional individuals. Pyramidal training is effective for training a variety of behavior-analytic skills with direct-care staff, parents, and teachers. As teachers’ roles in behavioral assessment increase, pyramidal training may be useful to improve the procedural fidelity with which teachers conduct functional analyses. In the current study, previously trained teachers taught six other teachers (trainees) to conduct standard functional analysis conditions in a pyramidal training model. All trainees quickly acquired the skills necessary to conduct attention, escape, play, and tangible conditions during analog role-plays. Trainees also implemented functional analysis conditions with fidelity in their classrooms with students. Using a pyramidal training model may help to disseminate behavior-analytic procedures.