Experimental Study of Dynamic Periodicity as Influenced by Diurnal,Weekly, Monthly,Seasonal and Yearly Efficiency

Abstract

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Bringing actors together around large-scale water systems: Participatory modeling and other innovations

Conclusion The five areas of innovation found in the three case studies have brought actors together in new ways around water management strategies. We paid special attention to the role of participatory modeling, because it has been able to generate new policy options. For such complex and often deadlocked water management issues, new options are at a premium. The cases demonstrate that participatory modeling efforts are a key part of successfully addressing these major water management issues faced in the U.S. as well as elsewhere. Recent publications include Ecology, Engineering and Management: Reconciling Ecosystem Rehabilitation and Service Reliability (with Emery Roe; Oxford: Oxford University Press). Current research interest include the reliability of critical infrastructures (such as electricity, water, telecommunications and the internet) and the development of methods to recast the intractable policy issues. Since 1999, he has been a Visiting Scholar at the University of California, Berkeley and Mills College, Oakland. where he teaches and directs research in the application of economic theory and systems analysis methods to the solution of environmental and regional water resources problems. He has authored numerous articles and book chapters, served on various committees of the National Research Council of the National Academy of Sciences, and was a U.S. member of an advisory committee for the International Institute for Applied Systems Analysis (IIASA) in Laxenburg, Austria. Emery Roe has published widely on science, technology and environmental controversies, including the debates over large technical systems, sustainable development, and ecosystem management. His books include Narrative Policy Analysis (Duke University Press, 1994), Taking Complexity Seriously: Policy Analysis, Triangulation and Sustainable Development (Kluwer, 1998), Except-Africa: Remaking Development, Rethinking Power (Transaction, 1999), and Ecology, Engineering and Management: Reconciling Ecosystem Rehabilitation and Service Reliability (with Michel van Eeten; Oxford: Oxford University Press).     

Transfer of physical understanding in a non-tool-using parrot

Physical cognition has generally been assessed in tool-using species that possess a relatively large brain size, such as corvids and apes. Parrots, like corvids and apes, also have large relative brain sizes, yet although parrots rarely use tools in the wild, growing evidence suggests comparable performances on physical cognition tasks. It is, however, unclear whether success on such tasks is facilitated by previous experience and training procedures. We therefore investigated physical comprehension of object relationships in two non-tool-using species of captive neotropical parrots on a new means-end paradigm, the Trap-Gaps task, using unfamiliar materials and modified training procedures that precluded procedural cues. Red-shouldered macaws (Diopsittaca nobilis) and black-headed caiques (Pionites melanocephala) were presented with an initial task that required them to discriminate between pulling food trays through gaps while attending to the respective width of the gaps and size of the trays. Subjects were then presented with a novel, but functionally equivalent, transfer task. Six of eight birds solved the initial task through trial-and-error learning. Four of these six birds solved the transfer task, with one caique demonstrating spontaneous comprehension. These findings suggest that non-tool-using parrots may possess capacities for sophisticated physical cognition by generalising previously learned rules across novel problems.     

Laws and their instances

Philosophical Studies - I present an argument for the view that laws ground their instances. I then outline two important consequences that follow if we accept the conclusion of this argument....     

Against Radical Quantum Ontologies

Some theories of quantum mechanical phenomena endorse wave function realism, according to which the physical space we inhabit is very different from the physical space we appear to inhabit. In this paper I explore an argument against wave function realism that appeals to a type of simplicity that, although often overlooked, plays a crucial role in scientific theory choice. The type of simplicity in question is simplicity of fit between the way a theory says the world is and the way the world appears to be. This argument can be understood as one way of spelling out the so‐called “incredulous stare objection” that is sometimes leveled against surprising metaphysical theories.     

Viewing instructions impact emotional memory differently in older and young adults

The current study examines how the instructions given during picture viewing impact age differences in incidental emotional memory. Previous research has suggested that older adults' memory may be better when they make emotional rather than perceptual evaluations of stimuli and that their memory may show a positivity bias in tasks with open-ended viewing instructions. Across two experiments, participants viewing photographs either received open-ended instructions or were asked to make emotionally focused (Experiment 1) or perceptually focused (Experiment 2) evaluations. Emotional evaluations had no impact on older adults' memory, whereas perceptual evaluations reduced older adults' recall of emotional, but not of neutral, pictures. Evidence for the positivity effect was sporadic and was not easier to detect with open-ended viewing instructions. These results suggest that older adults' memory is best when the material to be remembered is emotionally evocative and they are allowed to process it as such.     

Exercise adherence or maintenance among older adults: 1-year follow-up study.

Follow-up evaluation was conducted of 101 older men and women (mean age = 67 +/- 5 years) who had participated in a randomized study of physiological and psychological effects of aerobic exercise. Eighty-five subjects completed the follow-up evaluation, and almost all of them (94%) reported continuing with physical activity, as assessed by a self-report measure. Total energy expenditure was calculated as an indicator of exercise maintenance, and energy expenditure at follow-up was predicted from measures of physiological functioning, psychological well-being, and cognitive functioning obtained at the conclusion of the structured exercise program. Greater cardiorespiratory endurance, faster psychomotor speed, and lower anxiety predicted exercise behavior at follow-up, accounting for 13% of the variance in exercise behavior. Gender was not a significant predictor of exercise behavior.     

Modified group therapy for psychotic and depressed patients

This paper describes a group treatment program for chronically ill patients which has been found to be more economical than traditional modalities of treatment of such patients and to minimize transference and countertransference problems. Technical guidelines and the theoretical rationale are discussed, as are the therapeutic factors in such a group. Case vignettes are given to illustrate both the group process and the individual patient's use of the group.The authors are deeply grateful to the residents of the department who, as cotherapists, shared in the planning and work of the coffee lounge groups. Invaluable to us also were the interest and ideas of Dr. Donald Miller who served as a consultant to this project.This is a revised version of a paper presented at Grand Rounds, Montefiore Hospital and Medical Center, Bronx, N.Y. in September, 1975.Miss Emery is, and Mrs. Levitan was, a social worker at Montefiore Hospital and Medical Center, Bronx, N.Y. Mrs. Levitan was formerly Principal Associate in Psychiatry (Social Work), Albert Einstein College of Medicine. Dr. Gadlin is Director of the Group Therapy Training Program at Montefiore Hospital and Medical Center, and Assistant Professor, Albert Einstein College of Medicine.