By Robert Sessions Woodworth

A number of phrases to the reader are so as. within the first position, anything like an apology is due for the unfastened means inwhich the writer has drawn upon the unique paintings of many fellow-psychologists, with none point out oftheir names. this can be essentially unavoidable in a ebook meant for the newbie, however the reader may perhaps beinformed of the very fact, and advised to not credits the content material of the publication to the author of it. The author's taskhas been that of choosing from the massive mass of mental details now on hand, a lot of it new,whatever appeared most fitted for introducing the topic to the reader. The publication goals to symbolize thepresent nation of a really lively science.Should the publication seem unduly lengthy in prospect, the longest and such a lot unique bankruptcy, that on Sensation,might completely good be passed over, at the first analyzing, with out substantially traumatic the continuity of the rest.On the opposite hand may still any reader wish to make this article the root of a extra large process reading,the lists of references appended to the various chapters will end up of provider. The books and articles there citedwill be stumbled on fascinating and never too technical in style.Much virtue may be derived from using the "Exercises". The textual content, on the most sensible, yet offers rawmaterial. each one student's comprehensive product has to be of his personal making. The workouts come up with the money for chance for thestudent to paintings over the fabric and make it his own.A first or initial variation of this e-book, in mimeographed sheets, was once in use for 2 years in introductoryclasses carried out through the writer and his colleagues, and was once subjected to particularly valuable feedback fromboth lecturers and scholars. The revision of that previous variation into the current shape has been greatly of a coöperative firm, and such a lot of have coöperated that room may well scarcely be came upon for all their names.Professor A. T. Poffenberger, Dr. Clara F. Chassell, Dr. Georgina I. Gates, Mr. Gardner Murphy, Mr. HaroldE. Jones and Mr. Paul S. Achilles have given me the good thing about their class-room event with themimeographed e-book. Dr. Christine Ladd-Franklin has very rigorously long past over with me the passages dealingwith colour imaginative and prescient and with reasoning. pass over Elizabeth T. Sullivan, leave out Anna B. Copeland, pass over Helen Harperand Dr. A. H. Martin were of serious advice within the ultimate phases of the paintings. vital feedback havecome additionally from a number of different universities, the place the mimeographed booklet used to be inspected. [C:\Users\Microsoft\Documents\Calibre Library]