DISSERTATION
Presented in P a rtia l F u lfillm en t o f theRequirements fo r the Degree Doctor of Philosophy in the Graduate School o f The Ohio S tate U niversity By EARL ARTHUR ALLOTS I , B .S ., M.A. The Ohio S ta te U niversity 19$hApproved by: i>hn R* Kinzer, Advttsor apartment of Psychology TO THE MEMORY OF A FRIEND FRANK FRANCHI 1889-195U Sergeant M ajor, drays B a t t a l i o n 1st V irg in ia I n f a n tr y i i ACKNOWLEDGMENTS The author wishes to express h is appreciation to the many frien d s and colleagues -whose h elp , encouragement, and c r itic ism s have contributed to -what i s "good" in th is paper. E sp ecially to be thanked are th e follow in g: Dr. R. 7 . Walker, Army Medical Research Laboratory, fo r heading a laboratory notably fr e e o f mental con strain ts j the members o f the Psychology Department (e sp e c ia lly o f the V ision S e c tio n ), AMRL, for allow ing me to en joy the stim u lation o f th e ir endeavours} W. J . White, Aero-Med Laboratory, WADC, for h is alw ays-in terestin g comments, h is encour agement, and h is aid in the so lu tio n o f a seemingly in so lv a b le apparatus problem} Dr. E. 0 . Hubbard, Optometrist, fo r helping to s t a r t th is research} the members o f the fa c u lty and student body o f the 195k Summer Session o f the College o f William and Mary, fo r so kindly volunteering as observers, e s p e c ia lly B ill Hux for serving as Major Domo} Dr. S . B. W illiam s, C ollege of William and Mary, fo r being both frien d and teacher} the members o f my reading committee, Drs. P. M. F it t s , G. A. Fry, and P. Ratoosh, fo r th e ir commenting to improve the pages which follow } and,