Acta Ophthalmologica: History 1970-88

Medicare expenditures for physician and supplier services, 1970-88

The trend data in this article focus on Medicare expenditures and allowed charges for physician and supplier services rendered during the period from 1970 through 1988. A brief overview is presented on the provisions of the new Medicare physician payment system mandated by Congress and scheduled to be phased in starting January 1, 1992. The data provide one of the baselines that could be used f...

Documenta Ophthalmologica—Advances in Ophthalmology

This is a collection of eight papers. G. Wald of New York writes an obituary notice in English on Professor Selig Hecht. A. v. Tschermak-Seysenegg of Prague writes on Simultaneous Contrast in German with a short summary in English. Next W. Bronkhorst of Bilthoven, J. Ten Doesschate and P. F. Fischer of Utrecht discuss the Physiological Optics of the Visualization of X-ray Pictures in English wi...

Treatment of women in the U.S. Social Security system, 1970-88.

This article, a reprint of a paper presented in 1988 to the International Social Security Association, traces the debate from 1970 through 1988 over treatment of women in the Social Security system. It traces issues relating to working women, couples with two earners, homemakers, widows, and divorced women. It describes the debate that led to widespread support for the concept of earnings shari...

The History of Wage Inequality in America , 1820 to 1970

Making social psychology experimental: a conceptual history, 1920-1970.

The historical emergence of a field devoted to the experimental investigation of effects identified as "social" required a radical break with traditional conceptions of the social. Psychological experimentation was limited to the investigation of effects that were proximal, local, short-term, and decomposable. A viable accommodation to these constraints occurred in the closely related programs ...