On 15 February 1976 the USSR Research Ship PROFESSOR VIESE and the
US R/V T.G. THOMPSON rendezvoused in the southern Drake Passage. The
ships simultaneously occupied hydrographic stations as close together as
feasible. Calibration standards for salinity, dissolved oxygen, and
dissolved reactive phosphate and silicate were then exchanged by the...
In 1967, Doi et al. proposed the hypothesis that 'yellows type
diseases' are caused by mycoplasma. Since then more than 60
yellows diseases have been associated with mycoplasma-like bodies
(MLB) (Maramorosch, 1973). The majority of these associations are
based upon electron microscopic observations of mycoplasma-like
bodies in situ. However, little...
The purpose of this study of the life and career of Dr. Carl
Leonard Anderson was to recount his professional contributions to
the field of health and relate these to public health and health education. The major emphasis of this study concerned Dr. Anderson's
professional life.
The accomplishment of the...
The Wheat Growers Economic Conference was called in order to formulate a program for agriculture in the Columbia River Basin. Many ideas have been advanced by many people trying to help and stabilize agricultural conditions there. These ideas have varied widely, some being directly opposed to others. The proposals and...
This investigation was designed to investigate the use of an answer-until-correct procedure on multiple-choice quizzes in an independent study mathematics course. This procedure was compared to the standard multiple-choice procedure with respect to student achievement, student anxiety, and test reliability. Using the answer-until-correct procedure students were made immediately aware of...