Fluid intelligence, the focus of several cognitive training studies, is one of several broad intelligence factors and it. General intelligence and its implications is a book by christopher brand, a psychologist and lecturer at the university of edinburgh. General intelligence, also known as g factor, refers to the existence of a broad mental capacity that influences performance on cognitive ability measures. The jensen effectand the spearmanjensen hypothesis of black.
The g factor is a book that an academic publisher should kill for. General intelligence factor psychology wiki fandom. Arthur robert jensen arthur jensen has systematically developed a seminal concept first discovered by charles spearman in the 1920s. It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the fact that an individuals performance on one type of cognitive task tends to be. Arthur jensens research on the biological basis of mental ability has culminated in his encyclopedic new work the g factor 1998 which massively confirms spearmans 1927 hypothesis that blackwhite iq differences vary systematically as a function of each tests g loading. Jensen, the g factor, praeger publishers, 1998, 648 pp. According to jensen 1998, the g factor is the highestorder common factor that can be extracted in a hierarchical factor analysis from a large battery of diverse tests of an assortment of cognitive abilities. The science of mental ability 1998 is a book on the general intelligence factor g. Spearman thought of g as mental energy that could be applied to mental tasks jensen, 1998. The science of mental ability 1998 is considered by supporters to be jensens magnum opus on the general intelligence factor g. Jensen, 9780275961039, available at book depository with free delivery worldwide. The book is about the topic of the general factor of human mental.
The science of mental ability arthur robert jensen. The book deals with the intellectual history of the discovery of g and various models of how to conceptualize intelligence, and with the biological correlates of g, its heritability. This book builds on jensens work, and expands into some areas not covered by jensen. In his book the g factor 1998, arthur jensen cited data which showed that iq was generally negatively associated with crime among people of all races, peaking between 80 and 90. Plus, free twoday shipping for six months when you sign up for amazon prime for students. He looked at gender difference which found relatively little differences, heritability some evidence suggesting this, job performance highly predictive, etc. That block buster stood the race debate on its head and brought out the forces to do battle over the causes of human nature, specifically the 100 years of testing that consistently showed. The book takes over 700 pages to finally deliver jensens conclusions. This book about the g factor has its origin in the aftermath of an almost book. The science of mental ability, arthur r jensen, politics and the life sciences, sept 1998 flynn effect links to loads of research examining the effect, or this. Philippe rushton university of western ontario, canada few scientists have effects or laws named after them. An extensive exposition of g and its structure, heritability, biology, and correlates has been presented by jensen 1998 in his book the g factor. Jensen provides a comprehensive treatment of one of the major constructs of behavioral sciencegeneral mental abilitylabeled the g factor by its discoverer, charles spearman.
The validity of g is most conspicuous in scholastic performance, not because gloaded tests measure specifically what is taught in school, but because g is intrinsic to learning novel material, grasping concepts, distinctions. The jensen effect and the spearmanjensen hypothesis. Philippe rushton university of western ontario, few scientists have effects or laws named after them. The g factor 1998, an exposition of the reality of spearmans 1927 seminal concept ofg, the general factor of intelligence. Level i abilities account for memory functions and simple associative learning, and level ii abilities comprise abstract reasoning and conceptual thought. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of knowledge and skills they. Potential buyers should note that the g factor is not a pop science book, so if you are looking for an easily read introduction on the topic, this book is probably not for you. The g factor use lower case is a latent trait that can be thought of as the common variance between all intelligence factors. The definitive word on intelligence american renaissance.
A great book on iq and more spesifically the g factor itself. Jensens tome ds not draw back from jensenist conclu sionsthat the average difference in iq lbund between blacks and whites has a substan 220 rushton tial hereditary component, that this difference is related mainly. Jensens tome does not draw back from jensenist conclu. Arthur jensen is among the preeminent psychometricians of the last halfcenturyit is a book that every scholar working in the area will have to read. Arthur jensens new book proves that jews are far more. Charles spearman first described the existence of general intelligence in 1904. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of knowledge and skills they call upon, g emerges as the largest, most general source of differences between individuals and between certain subpopulations. The science of mental ability human evolution, behavior, and intelligence by jensen, arthur r. The jacket cover of this book describes jcnsen is having had a brilliant 40year career that has earned him a place among the most frequently cited figures in contempontry psychol ogy. By coincidence, on tile day that i started to write this piece, i received a copy of arthur jensens most recent book. Publication date 1998 topics general factor psychology, intellect, nature and nurture publisher westport, conn. Fullscale iq scores from a test battery will usually be highly correlated with g factor scores, and they are often regarded as estimates of g.
The jensen effectand the spearmanjensen hypothesis of. All in all, i thank grey enlightenment for his response to my article, though it leaves a lot to be desired and if he responds to this article then i hope that its much more nuanced. Apr 29, 2018 jensen accepts spearmans idea of a general factor in human intelligence, and his own theory divides intelligence into two distinct sets of abilities. The g factor is a comprehensive analysis conducted by jensen look at the general intelligence across a wide range of factors and their implications. Jensen the g factor the science of mental ability arthur r. The book deals with the intellectual history of g and various models of how to conceptualize intelligence, and with the biological correlates of g, its heritability, and its practical predictive power. The g factor is about individual differences in mental abilities. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of. The jensen effect and the spearmanjensen hypothesis of. Jensens long intellectual march has culminated triumphantly in his latest book, the g factor 1998, an exposition of the reality of spearmans 1927 seminal concept of g, the general factor of intelligence. The book deals with the intellectual history of the discovery of g and various models of how to conceptualize intelligence, and with the biological correlates of g, its heritability, and its practical. Spearman noted that while people certainly could and often. The science of mental ability by arthur jensen 1998.
The book is about the topic of the general factor of human mental ability, or g. The implications of his findings for school psychologists are discussed, as are suggestions for future research. Jensen provides a comprehensive treatment of one of the major constructs of behavioral science. According to spearman, this g factor was responsible for overall performance on mental ability tests. The science of mental ability finally puts an end to the bell curve debate started in 1994 by herrnstein and murray. The science of mental ability by arthur jensen online at alibris. The science of mental ability is a 1998 book by psychologist arthur jensen. The g factor i found to be a thoughtful and thorough book, and i quite enjoyed jensens relaxed but serious voice. Publication date 1998 topics general factor psychology, intellect, nature and nurture publisher. An individual test takers g factor score, representing his or her relative standing on the g factor in the total group of individuals, can be estimated using the g loadings. Amy morin, lcsw, is a psychotherapist, author of the bestselling book things mentally strong people dont do, and a highly soughtafter speaker.
Jensen, jensenism, and the sociology of intelligence. Arthur jensen is among the preeminent psychometricians of the last halfcenturyit is a book. The g factor arthur r jensen bok 9780275961039 bokus. Berkeley is one of the greatest social scientists of our time. He conceptualizes g as a construct or factor that he defines as a hypothet. He virtually singlehandedly resurrected the scientific study of intelligence, and he has been at the center of many breakthroughs in this field. However, the construct of interest usually is defined by psychometric methods as a general factor common to all mental abilities called the gfactor jensen, 1998. General intelligence, also known as g factor, refers to the existence of a. Recommended for anyone with an interest in iq research, as the book covers pretty much anything related to iq. Westport, ct, praeger westport, ct, praeger kosslyn s, plomin r. Jensen provides a comprehensive treatment of one of the major construct. The science of mental ability, examines the historical evolution of the g factor as well as many of the modernday implications of this development for psychologists.
Kendra cherry, ms, is an author, educational consultant, and speaker focused on helping students learn about psychology. In light of artificial intelligence, the science of mental ability is either silly or pointless. The g factor consolidates the psychometric, neurophysiological, behavior genetic, and comparative. In factor analyses of any and every large and diverse collection of measures of mental abilities, however varied the content of knowledge and skills. The jacket cover of this book describes jcnsen is having had a brilliant 40year career that has earned him a place among the most frequently cited figures in. Isbn 0275961036 issn 10632158 precis of jensen on intelligencegfactor arthur r. This book about the g factor has its origin in the aftermath of an almost booklength article my 77th publication that i wrote almost thirty years ago, titled how much can we boost iq and scholastic achievement. Having been published nearly three decades ago it has been largely rendered irrelevant by work by renzuli, sternberg, gardner and carrol.
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