RT Journal T1 Genetic psychology: An introduction to an objective and genetic view of intelligence. JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1909 FD October 23 VO LIII IS 17 SP 1427 OP 1428 DO 10.1001/jama.1909.02550170083027 UL http://dx.doi.org/10.1001/jama.1909.02550170083027 AB As an invitation—Mr. Kirkpatrick calls it an "introduction" —to the further and deeper study of modern psychology, this little book is deserving of commendation. Beyond all doubt it is true that "the theory of evolution has completely revolutionized the biologic sciences and is now making similar changes in psychology, the science dealing with the highest form of life, that of consciousness;" but none the less true is it that we are yet very far from being able to apply all the observations recorded in the biologic sciences as explanations of all the phenomena noted in the mental sciences. It is on this point that nearly all of the books of this class become unreliable. Not being large enough to present all sides of the questions at issue, including the data both for and against the theories of mind, they become too dogmatic in assertion, make assumptions not fully warranted by