The Journal of Educational Research, Vol. 74, No. 3 (Jan. - Feb., 1981), pp. 144-148 (5 pages) The utility of signal detection theory as a framework for the interpretation of concept acquisition was ...

Instructions can be seen all around us in our daily lives. For example, on packets of food, in manuals or guidebooks, and even on the roads and streets outside. An instruction manual tells the reader ...