14 found
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  1.  8
    A Note on the Needs and Uses of Energy Measurements for Work in Psychological Optics.C. E. Ferree & Gertrude Rand - 1917 - Journal of Philosophy 14 (17):457.
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  2.  15
    An apparatus for determining acuity at low illuminations, for testing the light and color sense and for detecting small errors in refraction and in their correction.C. E. Ferree & Gertrude Rand - 1920 - Journal of Experimental Psychology 3 (1):59.
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  3.  11
    A new method of heterochromatic photometry.C. E. Ferree & Gertrude Rand - 1916 - Journal of Experimental Psychology 1 (1):1.
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  4.  11
    A new method of heterochromatic photometry -a reply to Dr. Johnson.C. E. Ferree & Gertrude Rand - 1917 - Psychological Review 24 (2):159-173.
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  5.  44
    A note on the needs and uses of energy measurements for work in psychological optics.C. E. Ferree & Gertrude Rand - 1917 - Journal of Philosophy, Psychology and Scientific Methods 14 (17):457-462.
  6.  15
    An optics-room and a method of standardizing its illumination.C. E. Ferree & Gertrude Rand - 1912 - Psychological Review 19 (5):364-373.
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  7.  10
    A résumé of experiments on the problem of lighting in its relation to the eye.C. E. Ferree & Gertrude Rand - 1915 - Journal of Philosophy, Psychology and Scientific Methods 12 (24):657-663.
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  8.  15
    A spectroscopic apparatus for the investigation of the color sensitivity of the retina, central and peripheral.C. F. Ferree & Gertrude Rand - 1916 - Journal of Experimental Psychology 1 (3):247.
  9.  4
    A substitute for an artificial pupil.C. E. Ferree & Gertrude Rand - 1916 - Psychological Review 23 (5):380-382.
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  10.  10
    Chromatic thresholds of sensation from center to periphery of the retina and their bearing on color theory: Part I.C. E. Ferree & Gertrude Rand - 1919 - Psychological Review 26 (1):16-41.
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  11.  11
    Chromatic thresholds of sensation from center to periphery of the retina and their bearing on color theory-Part II.C. E. Ferree & Gertrude Rand - 1919 - Psychological Review 26 (2):150-163.
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  12.  6
    The absolute limits of color sensitivity and the effect of intensity of light on the apparent limits.C. E. Ferree & Gertrude Rand - 1920 - Psychological Review 27 (1):1-23.
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  13.  18
    The use of the illumination scale for the detection of small errors in refraction and in their correction.C. E. Ferree & Gertrude Rand - 1920 - Journal of Experimental Psychology 3 (4):243.
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  14.  4
    The effect of changes in the general illumination of the retina upon its sensitivity to color.Gertrude Rand - 1912 - Psychological Review 19 (6):463-490.
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