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In the Know: Debunking 35 Myths about Human Intelligence
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- ISBN-101108493343
- ISBN-13978-1108493345
- PublisherCambridge University Press
- Publication dateOctober 29, 2020
- LanguageEnglish
- Dimensions6 x 1 x 9 inches
- Print length434 pages
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Editorial Reviews
Review
‘This book systematically explains and then destroys 35 common myths about intelligence with some of the most compelling findings ever established in psychological research. I'd recommend it to students, educators, and anyone who ever wondered about what intelligence is and where it comes from. It should be required reading for every college major.' Richard J. Haier, Professor Emeritus, University of California, Irvine, USA, and author of The Neuroscience of Intelligence
‘Russell T. Warne has performed an admirable feat of scholarship. Press a copy of his book into the hands of anyone you know who is in a position to influence public understanding and opinion.' James Lee, Assistant Professor, University of Minnesota
‘Read this book and take a thought-provoking journey through human intelligence. The author shatters many misconceptions people have about intelligence and reveals the unvarnished truth with compassion and clarity. This book is a ‘must' for transformational leaders seeking to better understand the role of intelligence in education and society at large.' Joyce E. Juntune, Instructional Professor of Educational Psychology, Texas A&M University
‘In the Know is a must-read for anyone who wants to learn more about the fascinating science of human intelligence.’ Noah Carl, The Critic
‘A must-read for anyone who wants to learn more about the fascinating science of human intelligence.' Noah Carl, The Critic
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From the Author
About the Author
Product details
- Publisher : Cambridge University Press
- Publication date : October 29, 2020
- Language : English
- Print length : 434 pages
- ISBN-10 : 1108493343
- ISBN-13 : 978-1108493345
- Item Weight : 1.8 pounds
- Dimensions : 6 x 1 x 9 inches
- Best Sellers Rank: #4,983,069 in Books (See Top 100 in Books)
- #23 in Cognitive Psychology (Books)
- #510 in Medical Cognitive Psychology
- Customer Reviews:
About the author

Dr. Russell T. Warne is an associate professor of psychology at Utah Valley University and earned his PhD from Texas A&M University in 2011. He has published over 50 scholarly articles in psychology, education, methodology, medicine, sociology, health, business, and the arts, often co-authoring with students. Dr. Warne has earned awards for his research from MENSA, the National Association for Gifted Children, Southwest Educational Research Association, Texas A&M University, and Utah Valley University. He is the associate editor for the Journal for the Education of the Gifted and an editorial board member for Gifted Child Quarterly, the Journal of Psychoeducational Assessment, Intelligence, and the Journal of School Psychology. At Utah Valley University he teaches courses in behavioral statistics, research methods, psychological testing, and human intelligence.
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Learn more how customers reviews work on AmazonCustomers say
Customers find the book beautifully written and consider it worth reading. The scholarly content receives positive feedback, with one customer describing it as an outstanding introduction to intelligence research that offers a broad perspective on the subject.
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Customers appreciate the scholarly content of the book, with one review highlighting its comprehensive coverage of IQ-related topics and another noting its extensive references.
"...the book, I became more and more impressed with Warne's short analysis of each “myth,” how dissenting viewpoints were fairly addressed, and how well..." Read more
"...Most interestingly, we now know that there is a substantial biological component to intelligence...." Read more
"This book is a mile wide on topics relating to IQ. Thought chapters were a little short but can understand reasons why. Must read for beginners." Read more
"...real and widely distributed throughout society is fundamental to understanding social problems and how to address them...." Read more
Customers appreciate the writing style of the book, describing it as beautifully written, with one customer noting it is very readable and another mentioning the author is well qualified to write it.
"...so his approach is much more pragmatic than dogmatic, and the writing style, though academic, was quite accessible to even my aging mind...." Read more
"...Warne has an engaging writing style that is suited for the topic...." Read more
"...He is well qualified to write the book about intelligence myths...." Read more
"This is a superb book...beautifully written, hard hitting but fair, engaging but scholarly. Well done to Dr. Warne!" Read more
Customers find the book worth reading, with one describing it as stellar.
"...If you are going to read this amazing book, and I suggest wholeheartedly that you do, I would encourage readers to understand each point presented..." Read more
"...this field, I found that reading his comments was refreshing and worth the time. I bought the book as a Kindle book and would not do that again...." Read more
"...This kind of intelligence is, of course, valuable—indeed, our very survival can depend on it—but it represents just one region of the intelligence..." Read more
"This is a superb book...beautifully written, hard hitting but fair, engaging but scholarly. Well done to Dr. Warne!" Read more
Top reviews from the United States
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- Reviewed in the United States on June 16, 2022Format: PaperbackVerified PurchaseSome books are just darn fun to digest quickly, and I sometimes love racing through a hard-boiled detective novel in a few hours and two shots of whiskey. Russell Warne's book was not at all this sort of endeavor. If you are going to read this amazing book, and I suggest wholeheartedly that you do, I would encourage readers to understand each point presented as well as possible before moving on. Since my educational encounter with statistics occurred a long time ago, I had to pay careful intention to the introduction's “statistics crash course.” While the reader does not have to read most chapters in order presented, the true significance of the information will not be clear unless the basic statistics in the introduction are well understood first. Warne's statistics overview is likely adequate for most, but I also watched a few short YouTube videos on standard deviation, correlation coefficient, and factor analysis to ensure I was ready to proceed.
As I progressed through the book, I became more and more impressed with Warne's short analysis of each “myth,” how dissenting viewpoints were fairly addressed, and how well claims were supported. The times when I caught myself questioning one of Warne's claims, the footnotes allowed me to do a Wikipedia or Google search of the researchers involved, check the current consensus of scholars, and watch some very entertaining YouTube video of Gardner, Murray, Plomin, and others. Warne is no ideologue, so his approach is much more pragmatic than dogmatic, and the writing style, though academic, was quite accessible to even my aging mind. A careful reader will also enjoy stumbling on the occasional bit of wit and humor, such as when he suggests that an impossible to achieve government mandate is likely to be about as successful as the banning of gravity, or when he questions the popular belief that all children are gifted by simply wondering “where the non-gifted adults come from.”
One of my favorite quotes about knowledge is Sockman's observation that “the larger the island of knowledge, the longer the shoreline of wonder.” Warne's book greatly increased my knowledge “island” of intelligence, and why believing incorrect things about intelligence can be very harmful to the individual and to society. After finishing the book, I feel somewhat as if I have completed a semester long survey course on intelligence. Not surprisingly, I now have new questions about the heritability of intelligence, I wonder about the long-term cost to a society that believes in so many things that are not true about intelligence, and I am fearful that we will not have the courage to face the many truths that Warne presents. Truly a book worth reading.
- Reviewed in the United States on October 29, 2020Format: KindleVerified PurchaseI’m old enough to remember when the “received wisdom” was that there is no such thing as intelligence, if there is it isn’t measure by IQ tests, even if IQ tests do measure intelligence they are culturally biased in favor of the white middle class, and there are probably multiple kinds of intelligence some of which aren’t captured by IQ tests. And, under no circumstances, could there be a substantial genetic component to intelligence. It’s unlikely that this was ever the scholarly consensus, but that’s the way it was presented. In 1994, Charles Murray and Richard Herrnstein published The Bell Curve and, like many, I was shocked to learn that just about everything I was told about intelligence was wrong.
Now, Professor Russell Warne has published an informative book discussing these, and other, fallacies about intelligence. Most interestingly, we now know that there is a substantial biological component to intelligence. It isn’t “pseudoscience” to accept that brain size moderately correlates with intelligence. Likewise, there is evidence that neurons in the brains of more intelligent people are more efficiently organized. Recent studies show that the heritability of intelligence is at least 50%. So while education and early invention can help raise IQ, our genes place limits to our intellectual abilities.
Warne has an engaging writing style that is suited for the topic. He presents the historical background to various myths and keeps the statistics to a minimum. You’ll learn about all the big names in intelligence research (Galton, Spearman, Jensen, Flynn, Murray and Herrnstein) and the various controversies surrounding the history of research (such as immigration and eugenics). He closes with a discussion of some ethical implications of intelligence research.
- Reviewed in the United States on January 18, 2021Format: KindleVerified PurchaseAfter the firestorm of controversy that erupted following publication of the Bell Curve, Charles Murray confidently predicted that nothing of importance in the Bell Curve would be overturned, because he and Richard Herrnstein's conclusions were so conservatively phrased and so solidly anchored in the middle of the scientific road. An additional 26 years of research shows he was correct. The subjects covered in the two books overlap extensively, and both agree. Russell Warne courageously covers the radioactive subject of demographic differences in intelligence and confirms what experts have known for decades. Race differences in intelligence exist and are, at least in part, genetically based. However, whether those intelligence differences are 100% genetic or 100% environmental is almost a moot point, since, short of adoption, no one has found an effective environmental intervention that can significantly raise IQ. Even adoption into a middle or upper class family has only a relatively small long-lasting effect.
The findings of intelligence research in the last 50+ years have extraordinarily important implications for social, education, and immigration policies, but these findings will almost certainly be ignored by our government officials, because they do not conform to the racial orthodoxy of our current age.
- Reviewed in the United States on October 7, 2021Format: PaperbackVerified PurchaseThis book is a mile wide on topics relating to IQ. Thought chapters were a little short but can understand reasons why. Must read for beginners.
Top reviews from other countries
- ChristineReviewed in Germany on February 20, 2021
5.0 out of 5 stars In love with this book
Format: PaperbackVerified PurchaseComprehensive, credible, honest, with loads of references, up-to-date, and easy to understand. A must read book for scientists as wells non-specialists who want to (or should) know more about intelligence. As you can see in my picture: Worked through the book thoroughly. All in all: excellent!
ChristineIn love with this book
Reviewed in Germany on February 20, 2021
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- Kindle CustomerReviewed in the United Kingdom on October 13, 2023
5.0 out of 5 stars One will Certainly be In The Know after Consuming this Tour De Force
Format: KindleVerified PurchaseA great book on the fascinating science of human intelligence. By Summarising more than a Century's work of research, Russell Invites us to Dispel with the prevalent Myths concerning Human intelligence. From Questions of measurement, To questions of morality -Though Mostly Science- Mr Warne's book Is a Indispensable Primer.