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Following the events of September 11, 2001, in the United States, world public awareness for possible terrorist attacks on water supply systems has increased dramatically. Among the different threats for a water distribution system, the most difficult to address is a deliberate chemical or biological contaminant injection, due to both the uncertainty of the(More)
Psychological evidence indicates that it is hard to process multiple stimuli and perform multiple tasks at the same time. This paper tests the investor distraction hypothesis , which holds that the arrival of extraneous news causes trading and market prices to react sluggishly to relevant news about a firm. Our test focuses on the competition for investor(More)
The approach outlined here assumes that modeling and simulating emotion should arise from a specification of the underlying contexts which determine action, and not emotional experiences or the labels we provide for them. This paper is an attempt to outline these contexts, describe the variables which each necessitates, and show how formal models capable of(More)
Everyone knows what attention is. It is the taking possession of the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought. Focalization, concentration, of consciousness are of its essence. It implies withdrawal from some things in order to deal effectively with others. 1. Introduction Perceptual(More)
New evidence indicates that termination of transcription is an important regulatory step, closely related to transcriptional interference and even transcriptional initiation. However, how this occurs is poorly understood. Recently, in vivo analysis of transcriptional termination for the human beta-globin gene revealed a new phenomenon--co-transcriptional(More)
I Let us give the name of hypothesis to anything that may be proposed to our belief; and just as the electricians speak of live and dead wires, let us speak of any hypothesis as either live or dead. A live hypothesis is one that appeals as a real possibility to him to whom it is proposed. If I ask you to believe in the Mahdi [the expected messiah of the(More)
Contemporary research on meta-cognition has reintroduced conscious experience into psychological research on learning and thereby stimulated a fresh look at the works of classical experiential learning scholars who gave experience a central role in the learning process— We focus particularly on the work of William James whose contributions are foundational(More)
Western Pacific small island rural communities suffer from waterborne diseases and are among the least wealthy, most remote and resource-poor across the globe. Small landmasses, geologic composition, geographic isolation, a colonial history, and weak educational, technological and financial resources constitute significant barriers to strengthening capacity(More)