Abstract

In a sample of 108 male subjects, age 13 through 89, foveal CFF was measured using 10 light/dark ratios, 2/98 to 98/2, under two levels of surround luminance: 0.04 and 23.6 ml. One at a time, individual differences, surround, age, and the light/dark ratios were held constant in several analyses of variance. Stepwise, inductive regression equations were calculated. Reliability of the data varied as a function of the experimental conditions. All first-order variables, the second-order interactions with the exception of Age ×Surround, and the third-order interaction, were shown to significantly influence CFF. The best predictors of CFF were the lowest light/dark ratios, the primary variables, combined with age, the secondary variable.

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  1. E. Wolf and B. K. McGowan, Arch. Ophth. 69, 241 (1963).
  2. C. Landis, Sci. Monthly 73, No. 5, 308 (1951).
  3. E. Wolf, Public Health Service Progress Report Grant No. B-1482 (1961).
  4. R. A. McFarland, A. B. Warren, and C. Karis, J. Exptl. Psychol. 56, 529 (1958).
  5. P. Winchell and E. Simonson, J. Appl. Physiol. 4, 188 (1951).
  6. R. K. Young and D. J. Veldman, Perceptual Motor Skills 16, 588 (1963).
  7. A. Beaton, Harvard University (private communication, 1963).

Beaton, A.

A. Beaton, Harvard University (private communication, 1963).

Karis, C.

R. A. McFarland, A. B. Warren, and C. Karis, J. Exptl. Psychol. 56, 529 (1958).

Landis, C.

C. Landis, Sci. Monthly 73, No. 5, 308 (1951).

McFarland, R. A.

R. A. McFarland, A. B. Warren, and C. Karis, J. Exptl. Psychol. 56, 529 (1958).

McGowan, B. K.

E. Wolf and B. K. McGowan, Arch. Ophth. 69, 241 (1963).

Simonson, E.

P. Winchell and E. Simonson, J. Appl. Physiol. 4, 188 (1951).

Veldman, D. J.

R. K. Young and D. J. Veldman, Perceptual Motor Skills 16, 588 (1963).

Warren, A. B.

R. A. McFarland, A. B. Warren, and C. Karis, J. Exptl. Psychol. 56, 529 (1958).

Winchell, P.

P. Winchell and E. Simonson, J. Appl. Physiol. 4, 188 (1951).

Wolf, E.

E. Wolf, Public Health Service Progress Report Grant No. B-1482 (1961).

E. Wolf and B. K. McGowan, Arch. Ophth. 69, 241 (1963).

Young, R. K.

R. K. Young and D. J. Veldman, Perceptual Motor Skills 16, 588 (1963).

Other (7)

E. Wolf and B. K. McGowan, Arch. Ophth. 69, 241 (1963).

C. Landis, Sci. Monthly 73, No. 5, 308 (1951).

E. Wolf, Public Health Service Progress Report Grant No. B-1482 (1961).

R. A. McFarland, A. B. Warren, and C. Karis, J. Exptl. Psychol. 56, 529 (1958).

P. Winchell and E. Simonson, J. Appl. Physiol. 4, 188 (1951).

R. K. Young and D. J. Veldman, Perceptual Motor Skills 16, 588 (1963).

A. Beaton, Harvard University (private communication, 1963).

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