Ædle og smukke Does Your Family Make You Smarter by James R. Flynn 87WUeVnF

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Does your family make you smarter James R. Flynn presents an exciting new method for estimating the effects of family on a range of cognitive abilities. Rather than using twin and adoption studies he analyses IQ tables that have been hidden in manuals over the last 65 years and shows that family environment can confer a significant advantage or disadvantage to your level of intelligence. Wading into the nature vs. nurture debate Flynn banishes the pessimistic notion that by the age of sevent