Sex Linkage of Intelligence

Sex Linkage of Intelligence PDF Author: Robert Lehrke
Publisher: Praeger
ISBN:
Category : Psychology
Languages : en
Pages : 216

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Book Description
The author presents a theory that major genes controlling the growth of human intelligence, both left- and right-brain attributes, are on the X-chromosome. The more significant of the implications of such X-linkage include:^L^L ^DBL Males tend to be more variable in intelligence. It is well known that males are far more likely to have intellectual deficits, including mental subnormality, learning disorders, and behavior problems. This book also presents evidence that males are more likely to be exceptionally high in cognitive abilities (other than memory), and in such areas as advanced mathematics, spatial perception, and creative music.^L ^L ^DBL Partial or total reversions to the aboriginal level of intelligence can account for virtually all cases of non-specific mental subnormality. These conditions are now identified by such terms as Renpenning syndrome, Martin-Bell syndrome, Fragile-X syndrome, and cultural-familial mental retardation. Because of the probability of offsetting genes, females are less likely to be severely affected by these conditions. ^DBL Since the X-linked genes control a pattern of growth, boys are more variable in the age of readiness for the skills required for progress in school. Some are precocious, but many are delayed, and not ready for the three R's at the traditional age of 6. This is the basis for almost all cases of learning disability.^L^L ^DBL Being on the X-chromosome, these genes, favorable or unfavorable, are not passed on from father to son, although they are passed on from father to daughter. This invalidates earlier studies of parent-child transmission of IQ, which have included father-son correlations. In effect, earlier studies have come up with estimates of the heritability of intelligence that are too low.

Sex Linkage of Intelligence

Sex Linkage of Intelligence PDF Author: Robert Lehrke
Publisher: Praeger
ISBN:
Category : Psychology
Languages : en
Pages : 216

Get Book Here

Book Description
The author presents a theory that major genes controlling the growth of human intelligence, both left- and right-brain attributes, are on the X-chromosome. The more significant of the implications of such X-linkage include:^L^L ^DBL Males tend to be more variable in intelligence. It is well known that males are far more likely to have intellectual deficits, including mental subnormality, learning disorders, and behavior problems. This book also presents evidence that males are more likely to be exceptionally high in cognitive abilities (other than memory), and in such areas as advanced mathematics, spatial perception, and creative music.^L ^L ^DBL Partial or total reversions to the aboriginal level of intelligence can account for virtually all cases of non-specific mental subnormality. These conditions are now identified by such terms as Renpenning syndrome, Martin-Bell syndrome, Fragile-X syndrome, and cultural-familial mental retardation. Because of the probability of offsetting genes, females are less likely to be severely affected by these conditions. ^DBL Since the X-linked genes control a pattern of growth, boys are more variable in the age of readiness for the skills required for progress in school. Some are precocious, but many are delayed, and not ready for the three R's at the traditional age of 6. This is the basis for almost all cases of learning disability.^L^L ^DBL Being on the X-chromosome, these genes, favorable or unfavorable, are not passed on from father to son, although they are passed on from father to daughter. This invalidates earlier studies of parent-child transmission of IQ, which have included father-son correlations. In effect, earlier studies have come up with estimates of the heritability of intelligence that are too low.

Sexual Intelligence

Sexual Intelligence PDF Author: Marty Klein
Publisher: Harper Collins
ISBN: 0062098586
Category : Health & Fitness
Languages : en
Pages : 219

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Book Description
This is not your standard sex book. Sex therapist, sociologist, and Psychology Today contributor Dr. Marty Klein goes beyond the sex manuals to reveal how our mindsets during sex are more important than any tricks or techniques—and that the way to a healthier, more exciting, more fulfilling sex life lies in first developing our sexual intelligence. This book is the antidote to the many gimmick-oriented sex guides and manuals; Dr. Klein shows us how to reorient how we think about sex in order to experience a truly different way of being sexual. “Marty Klein is the Steve Jobs of sex advice. . . . Sexual Intelligence is a work of enormous wisdom and expansiveness, and will inspire readers, regardless of age, to realize their full sexual potential.” —Ian Kerner, best-selling author of She Comes First

Mating Intelligence Unleashed

Mating Intelligence Unleashed PDF Author: Glenn Geher PhD
Publisher: Oxford University Press
ISBN: 0199333831
Category : Psychology
Languages : en
Pages : 320

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Book Description
Psychologists often paint a picture of human mating as visceral, instinctual. But that's not the whole story. In courtship and display, sexual competition and rivalry, we are also guided by what Glenn Geher and Scott Barry Kaufman call Mating Intelligence--a range of mental abilities that have evolved to help us find the right partner. Mating Intelligence is at work in our efforts to form, maintain, and end relationships. It guides us in flirtation, foreplay, copulation, finding and choosing a mate, and many other behaviors. In Mating Intelligence Unleashed, psychologists Geher and Kaufman take readers on a fascinating tour of the crossroads of mating and intelligence, drawing on cutting-edge research on evolutionary psychology, intelligence, creativity, personality, social psychology, neuroscience, and more. The authors show that despite what you may read in the latest issue of Maxim, Playboy, Vogue, or GQ, physical attractiveness isn't the whole story. Human mating draws on a range of mental skills and attributes--from the creative use of pick-up lines, to displays of charisma, intelligence, humor, personality, and compassion. Along the way, the authors shed new light on age-old questions, such as: What role does personality play in mating? Which traits are attractive--and which traits repulse? How do people really choose mates? How do men and women deceive each other? How important is emotional intelligence? Why do people create art--and does it have anything to do with sex? Do nice guys really finish last? Since Glenn Geher coined the term Mating Intelligence in 2006, it has drawn a great deal of media attention, ranging from a Psychology Today cover story to articles in the New Scientist, the Washington Times, the Huffington Post, and elsewhere. Now, in Mating Intelligence Unleashed, readers will have the first full account of this revolutionary new approach to dating, mating, and love.

Sex Differences in Intelligence: The Developmental Theory

Sex Differences in Intelligence: The Developmental Theory PDF Author: Richard Lynn
Publisher: Arktos Media Limited
ISBN: 9781914208652
Category : Psychology
Languages : en
Pages : 144

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Book Description
In Sex Differences in Intelligence, Dr Richard Lynn refutes the belief that males and females are equally smart. He presents the findings of his extensive research showing that, on the contrary, the average intelligence of young girls is higher than that of young boys. It is only in school-age students that boys and girls have approximately the same intelligence, while in adults the average intelligence of men is four IQ points higher than that of women. Lynn supports his Developmental Theory with a review of well over a hundred studies conducted by himself and a host of other reputable scientists. The book discusses the reasons for the higher average intelligence of men among adults. One of these is that men have a larger average brain size than women. He refutes the contention of some feminists that brain size has no relation to intelligence. He argues that men have evolved higher average intelligence than that of women because this enhances their ability, in competition with other men for territory or status, to obtain women and thus pass on their genes. Another evolutionary explanation for men having a higher IQ lies in sexual selection such that females normally prefer to accept males with high intelligence as mates because they view them as potentially better providers for themselves and their children. This path-breaking book will revolutionise the understanding of sex differences in intelligence.

The Intelligence Paradox

The Intelligence Paradox PDF Author: Satoshi Kanazawa
Publisher: Turner Publishing Company
ISBN: 1118137663
Category : Science
Languages : en
Pages : 223

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Book Description
A book that challenges common misconceptions about the nature of intelligence Satoshi Kanazawa's Why Beautiful People Have More Daughters (written with Alan S. Miller) was hailed by the Los Angeles Times as "a rollicking bit of pop science that turns the lens of evolutionary psychology on issues of the day." That book answered such burning questions as why women tend to lust after males who already have mates and why newborns look more like Dad than Mom. Now Kanazawa tackles the nature of intelligence: what it is, what it does, what it is good for (if anything). Highly entertaining, smart (dare we say intelligent?), and daringly contrarian, The Intelligence Paradox will provide a deeper understanding of what intelligence is, and what it means for us in our lives. Asks why more intelligent individuals are not better (and are, in fact, often worse) than less intelligent individuals in solving some of the most important problems in life—such as finding a mate, raising children, and making friends Discusses why liberals are more intelligent than conservatives, why atheists are more intelligent than the religious, why more intelligent men value monogamy, why night owls are more intelligent than morning larks, and why homosexuals are more intelligent than heterosexuals Explores how the purpose for which general intelligence evolved—solving evolutionarily novel problems—allows us to explain why intelligent people have the particular values and preferences they have Challenging common misconceptions about the nature of intelligence, this book offers surprising insights into the cutting-edge of science at the intersection of evolutionary psychology and intelligence research.

The Measurement of Intelligence

The Measurement of Intelligence PDF Author: Hans J. Eysenck
Publisher: Springer Science & Business Media
ISBN: 9401161291
Category : Medical
Languages : en
Pages : 496

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Book Description
This book deals with one aspect of the modern, proof, and the deductions to which they give rise, and scientific study of intelligence, namely its measurement. the social aspect, which is concerned with the "good" or The term, measurement, has difficulties attached to it "evil" consequences which follow from the scientific which rival those attached to the term, intelligence; discovery or invention. Thus IQ testing would appear to many psychologists have little idea of what the word many people to give rise to desirable and "good" conse means, and what are the requirements which must be quences when it enables us to pick out bright "dis fulfilled in order to enable "measurement" to take advantaged" children for higher educational and place. Krantz, Luce, Suppes and Tversky (1971) have university training who would otherwise not have been tried to provide us with an introduction to the "Founda educated up to the level of their ability. On the other tions of Measurement"; these two volumes outline the hand, IQ testing would appear to many people to give background against which attempts to measure intelli rise to undesirable and "bad" consequences when it gence must be evaluated. * No short excerpt or set of enables trade unions to exclude coloured workers by the readings could suffice to bring home to the "innum imposition of unrealistic and irrelevant intellectual erate" reader the implications of scientific measurement, requirements for membership.

The Scientific Study of General Intelligence

The Scientific Study of General Intelligence PDF Author: Helmuth Nyborg
Publisher: Elsevier
ISBN: 0080516661
Category : Psychology
Languages : en
Pages : 669

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Book Description
This book celebrates two triumphs in modern psychology: the successful development and application of a solid measure of general intelligence; and the personal courage and skills of the man who made this possible - Arthur R. Jensen from Berkeley University. The volume traces the history of intelligence from the early 19th century approaches, to the most recent analyses of the hierarchical structure of cognitive abilities, and documents the transition from a hopelessly confused concept of intelligence to the development of an objective measure of psychometric g. The contributions illustrate the impressive power g has with respect to predicting educational achievement, getting an attractive job, or social stratification. The book is divided into six parts as follows: Part I presents the most recent higher-stream analysis of cognitive abilities, Part II deals with biological aspects of g, such as research on brain imaging, glucose uptake, working memory, reaction time, inspection time, and other biological correlates, and concludes with the latest findings in g-related molecular genetics. Part III addresses demographic aspects of g, such as geographic-, race-, and sex-differences, and introduces differential psychological aspects as well. Part IV concentrates on the g nexus, and relates such highly diverse topics as sociology, genius, retardation, training, education, jobs, and crime to g. Part V contains chapters critical of research on g and its genetic relationship, and also presents a rejoinder. Part VI looks at one of the greatest contemporary psychologists, Professor Emeritus Arthur R. Jensen as teacher and mentor.

The Structure and Measurement of Intelligence

The Structure and Measurement of Intelligence PDF Author: Hans J. Eysenck
Publisher: Springer Science & Business Media
ISBN: 364267075X
Category : Psychology
Languages : en
Pages : 389

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Book Description
It is generally and rightly considered a virtue in a teacher to observe accurately the differences in ability among his pupils, and to discover the direction in which the nature of each particularly inclines him. There is an incredible amount of variability in talent, and the forms of minds are no less varied than the forms of bodies Quintilian (70 A. D. ) There are many good books on Intelligence, such as Cattell's (1971) monumen tal and original contribution, or Matarazzo's (1972) careful and scholarly analy sis, or Butchers (1968) excellent introduction. Other outstanding contributions are mentioned in the course of this volume. This suggests that an author must have a good reason for venturing to offer another tome where so much is already available to satisfy even the most discriminating customer. There is indeed a powerful reason why the time may be ripe for another book on intelli is a very simple one: much has happened in recent years to gence. This reason alter our views on many issues which at one time looked like being closed. Hardly any of these advances have found a place in the books now available, and it seemed desirable to incorporate them in a new text which would be as up to-date as it is possible to be considering the inevitable delays in writing and publishing a textbook.

The Intelligence of Intuition

The Intelligence of Intuition PDF Author: Gerd Gigerenzer
Publisher: Cambridge University Press
ISBN: 1009304860
Category : Psychology
Languages : en
Pages : 187

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Book Description
Challenges perceptions of the fallibility of intuition and recasts intuition as a unique form of intelligence.

A Model for Intelligence

A Model for Intelligence PDF Author: H.J. Eysenck
Publisher: Springer Science & Business Media
ISBN: 3642686648
Category : Psychology
Languages : en
Pages : 481

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Book Description
with contributions by numerous experts