Suggestions for the maintenance of accuracy of calculations implemented on digital computers

An approach that selectively uses double precision in calculating statistical quantities is described. Emphasis is placed upon the multiplication and accumulation rather than on the data themselves. In this way, core storage requirements are minimized and good relative error is also achieved.     

Cognitive Transformation,Dementia, and the Moral Weight of Advance Directives

Abstract

Dementia patients in the moderate-late stage of the disease can, and often do, express different preferences than they did at the onset of their condition. The received view in the philosophical literature argues that advance directives which prioritize the patient’s preferences at onset ought to be given decisive moral weight in medical decision-making. Clinical practice, on the other hand, favors giving moral weight to the preferences expressed by dementia patients after onset. The purpose of this article is to show that the received view in the philosophical literature is inadequate and is out of touch with real clinical practice. I argue that having dementia is a cognitive transformative experience and that preference changes which result from this are legitimate and ought to be given moral weight in medical decision-making. This argument ought to encourage us to reduce our confidence in the moral weight of advance directives for dementia patients.     

DO RESEARCH REPORTS IN MAINSTREAM FEMINIST PSYCHOLOGY JOURNALS REFLECT FEMINIST VALUES?

Core values in feminist approaches to psychological research include attention to the relationship between scientists and citizens. But traditional methodological norms dictate that investigators restrict citizens' participation in research and prescribe an impersonal, decontextualized writing style in journal reports. Content analysis of 228 research articles in two journals associated with feminist psychology—the Psychology of Women Quarterly and Sex Roles, spanning the journals'first decade—showed that authors typically provided minimal or no information about such relationship dimensions as level of participation, informed consent, and feedback. The depersonalized writing style generally employed gives the impression that some feminist psychologists have adopted androcentric standards for the research relationship. Developing appropriate models for both research methods and report writing is essential for feminist researchers to resolve the apparent contradiction between ideals and behavior. But certain institutional obstacles need to be overcome for the resolution to occur.