Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ... PHILOSOPHY AND SCIENCE marked by the line or whether it is farther up (IT) or farther down (D). Question 3. Holding the figure with the bottom of the page upward*, ask as in question 1. Question 4. Holding the figure with the bottom of the pagt toward the left hand, ask as in question 2. Then taking Figure B, ask the tame quettion* in Fig. A. the tame order, being careful to have the person still altogether uninatructed as to the results of the first series and also to connect the two series, carefully distinguished, with the same person by name or initials. When using one figure, the other should be covered. The results, whether from one person or from many, may be sent to the undersigned, who will receive, them with thanks. Results from those who know what the illusion is and what to expect need not be sent, except in caec. of pereon. u>Ko do not get the Ulueion ** vho only get U for one j ElWia be reported; Which seem, to touch upon Uusdl DEGREESoa. FIO.B. The interest of this method of *******d. O* .ion is that it exactly rever.ee the ondltiomof the rLairh reported in the preceding paper. There the rpott DEGREESttenninedbythereagen, andw-pl DEGREES too far toward the .mailer .quare. If tiu bej) true mJta. it was argued, the actual middle .booH be ZZi to far toward the smaller square. This was Sft DEGREESd *tlSl -by the replies which cam. PHILOSOPHY AND SCIENCE in by hundred*. The following summary report of these and other results not yet published in detail is from the Proceeding* of the American Ptyehologieal Auociation, December, 1897: ' Ah Optical Illusion. -- This report gave the result of farther experiments of the "Illusion" reported above, t. ., that the point fixed upon as the midpoint between two sq