THE PROBLEM OF ANIMAL CONSCIOUSNESS AND "CLEVER HANS" EXPERIMENTS AND OBSERVATIONS A. Experimental Conditions EXPLANATION OF THE OBSERVATIONS GENESIS OF THE REACTION OF THE HORSE MR. VON OSTEN'S METHOD OF INSTRUCTION THE REPORT OF SEPTEMBER 12, 1904 AN ABSTRACT FROM THE RECORDS OF THE SEPTEMBER-COMMISSION [AQ] THE REPORT OF DECEMBER 9 TH , 1904 LATEST VOLUMES IN THE AMERICAN NATURE SERIES CLEVER HANS(THE HORSE OF MR. VON OSTEN) A CONTRIBUTION TO EXPERIMENTAL BY OSKAR PFUNGST WITH AN INTRODUCTION BY PROF. C. STUMPF, AND ONE ILLUSTRATION AND FIFTEEN FIGURES TRANSLATED FROM THE GERMAN BY CARL L. RAHN Fellow in Psychology in the University of Chicago WITH A PREFATORY NOTE BY JAMES R. ANGELL Professor of Psychology in the University of Chicago Publisher's Mark NEW YORK HENRY HOLT AND COMPANY 1911 Copyright, 1911 BY HENRY HOLT AND COMPANY |