Adaptation-Level Theory: An Experimental and Systematic Approach to Behavior

Signed First Edition, 1964. Hardcover with dust jacket. Signed by author Harry Helson on the front endpaper. Association copy: previously owned by psychophysics and perception researcher Donald L. Corson, with his ownership signature also on the front endpaper. Direct Research Connection: In 1968, Harry Helson published a follow-up paper on anchor effects with Aiko Kozaki in the journal Psychophysics. In the acknowledgments, Helson notes that a foundational study conducted by Donald L. Corson at Kansas State University provided the vital information and parameters used to replicate and confirm his theories on visual stimuli and adaptation levels. I have attached images of the paper acknowledging Corson. To verify Harry Helson’s signature I found a thesis he had signed as a faculty member at Kansas State University in 1963 which I have attached as an image. As for condition - it does contain some underlined text and obviously notes and changes to equations. Contains Don Corson’s name stamp on 3 pages and the top edge. The dust jacket is wrapped and protected (not glued). There appear to be a few pages that were paper clipped together (Table 5.1) where clip left a mark. See images. I attached as many as I could. Such a cool random discovery. Found at New Albany, Indiana auction. Corson home.…