Research Note: Subsidiary Task Techniques of Digit Generation and Digit Recall as Indirect Measures of Operator Loading

Baddeley A. D. Some factors influencing the generation of random letter sequences. Medical Research Council Report No. A.P.U. 422/62, Applied Psychology Research Unit, Cambridge, England, March, 1962.

Finkelman J. M. Glass D. G. Reappraisal of the relationship between noise and human performance by means of a subsidiary task measure. Journal of Applied Psychology. 1970, 54, 211–213.

McCormick E. J. Human factors engineering. New York: McGraw-Hill, 1970.

Tune G. S. A brief survey of variables that influence random generation. Perceptual and Motor Skills, 1964, 18, 705–710.

Zeitlin L. R. Finkelman J. M. Measurement of operator loading in pursuit rotor tracking by a “random digit” generation subsidiary task. Davidson Laboratory Report No. 1401, Stevens Institute of Technology, Hoboken, N J., August, 1969.(a).

Zeitlin L. R. Finkelman J. M. A subsidiary task evaluation of the information processing load in a vehicular control simulation. American Psychological Association Experimental Publication System, 1969, 3, Manuscript No. 106b. (b).