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Research has demonstrated a link between cognitive functioning and social functioning, educational performance, economic status and commitment to marriage.
One study examined the lives of 123 African Americans born in poverty and at high risk of failing in school. From 1962-1967, at ages 3 and 4, the subjects were randomly divided into a program group that was exposed to a high-quality preschool program, and a comparison group that received no such exposure. In the study's most recent phase, 95% of the original study participants were interviewed at age 27. Additional data was gathered from the subjects' school, social services, and arrest records.
By age 27, only one fifth as many program group members as non-program group members had been arrested five or more times (7% vs. 35%), and only one third as many had ever been arrested for drug dealing (7% vs. 25%). Four times as many program group members as non-program group members earned $2,000 or more per month (29% vs. 7%). Almost a third as many program group members as non-program group members graduated from regular or adult high school or received General Education Development certification (71% vs. 54%). Although the same percentage of program males and non-program males were married (26%), the program males had been married nearly twice as long as non-program males (averages of 6.2 years vs. 3.3 years). Five times as many program females as non-program females were married at the time of the age-27 interview (40% vs. 8%).
However, the link between cognitive functioning and social functioning, educational performance, economic status and commitment to marriage does not only apply to at-risk children, but also to the “great mental athletes.” This is clearly demonstrated by a Terman study.
In 1921, psychologist Lewis Terman received a grant from New York City to conduct a longitudinal study of more than fifteen hundred children whose IQ’s were above 140. (Please note: An IQ score is certainly not the only measurement of talent, intelligence and creativity.) Terman collected his subjects from grade schools in California. The 1,528 subjects that he eventually selected had an average IQ of 150, and 80 possessed IQ’s of 170 or higher. Follow-up studies were conducted in 1927-28, 1939-40, 1951-52, 1960, 1972, and 1977.
Since few women were encouraged during the 1920s to seek professions, most of the follow-up studies have concentrated on the approximately 800 men chosen in the original selection. By 1950, at an average age of 40, these 800 men had written and published 67 books, over 1,400 articles, 200 plays and short stories, and obtained over 150 patents. Seventy-eight of them had received a Ph.D., 48 an M.D., and 85 an LL.B. Seventy-four were university professors, and 47 were listed in American Men of Science. As Terman noted, “Nearly all of these numbers are 10 to 30 times as large as would be found for 800 men picked at random.”
When in their seventies the Terman “kids,” compared with the average person of that age, were healthier, happier, and richer, and they had a far lower incidence of suicide, alcoholism, or divorce. These studies also dispel the myth that genius is closely related to insanity, since far fewer of the Terman kids suffered from serious behavioral disorders compared with the average populace.
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