File:An experimental study of the eye-voice span in reading (1920) (14578361517).jpg

Identifier: experimentalstu00busw (find matches)
Title: An experimental study of the eye-voice span in reading
Year: 1920 (1920s)
Authors: Buswell, Guy T. (Guy Thomas), 1891-
Subjects: Reading, Psychology of Eye
Publisher: Chicago, Ill. : University of Chicago
Contributing Library: University of British Columbia Library
Digitizing Sponsor: University of British Columbia Library

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wer part of the plate would cause an error in locating fixations of asmuch as four or five letters, if the head-line were not provided for cor-rection. Many head movements, especially for children in the lowergrades, are much greater than those shown by this subject. The eye record made by the light reflected from the cornea is shownin the lines cd and ef. The line cd represents the reading of the firstline of the paragraph, and the line ef the reading of the second. Thevertical lines of dots show the fixations of the eye. The horizontal linede shows the movement of the eye from the end of the first line to thebeginning of the second. Since each dot on the film represents onefiftieth of a second, this movement from line to line consumed twofiftieths of a second. By counting the dots it will be found that the lastfixation of the first line took nine fiftieths of a second, and the one justbefore it, twenty-three fiftieths. * C. T. Gray, op. cit., pp. 86-90; 106-20. INTRODUCTION ri.AiK 1
Text Appearing After Image:
Location of fixations from film record on lines of print, Subject Hs A STUDY OF THE EYK-VUICK SPAN IN Kl AlUXG The points a and b on the plate are related to the printed matterread by having the reader fixate his eyes upon a dot placed just abovethe first letter of the first line, and then upon another dot just abovethe last letter of the line. The fixation for the first dot cannot be shownon this small section of the film, but the point a lies in the verticalextension of that fixation. The point b lies in the path of the fixationon the second dot, a few dots of the fixation showing just below b.The distance, therefore, from point a to point b equals the distancecovered by a movement of the eyes from one end of a line of print tothe other, and all fixation movements will fall on the film between linesextended vertically from these points. If the film were further enlargeduntil point a rests over the first letter of the first line and point b overthe last letter, the vertical projectio

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