Further Use of Color Coding in Drug Evaluations

Abstract

TN an earlier report¹ dealing with orally administered bronchodilator preparations, it was shown that information equivalent to that available by the conventional double-bind technic could be gained by the use of medications coded by color and dispensed in a single bottle. Coding by color appeared to have the advantage of simplicity and ease of administration. To validate this technic and to check its ability to supply reliable data, further inquiry was desirable. The design of such a study would use the same group of drugs coded by two different sets of colors, evaluated by the same patient. The repetitious nature . . .