Children's Learning & Development

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A study has found fetuses exposed to elevated levels of the stress hormone cortisol may have trouble paying attention or solving problems at 17 months -- but only if they are not securely attached to their mothers.

A study involving 125 women has found the first, direct human evidence that fetuses exposed to elevated levels of the stress hormone cortisol may have trouble paying attention or solving problems at 17 months.

A study of internationally adopted 8- and 9-year-old children has found those adopted from institutional care performed worse on some cognitive tests.

A study involving 132 8- and 9-year-old children, some of whom had been adopted into U.S. homes after spending at least a year and three-quarters in institutions in Asia, Latin America, Russia and Eastern Europe, and Africa, while others were adopted by the time they were 8 months old into U.S.

An American study suggests that getting a home computer can have a negative effect on reading and math scores in middle-grade students, particularly those from disadvantaged families.

Data from North Carolina's mandated End-of-Grade tests (2000-2005), which includes student reports on how frequently they use a home computer for schoolwork, watch TV or read for pleasure, reveals that students in grades five through eight (c.10-13), particularly those from disadvantaged families

A large study of elementary school children and college students has found greater screen time (TV and video games) is associated with more attention problems.

A study following 1,323 children in Grades 3 to 5 and 210 college students has found that children who exceeded two hours per day of screen time (TV and video games) were 1.5 to two times more likely to be considered above average in attention problems by their teachers compared to children who m

SAT and ACT results demonstrate a dramatic drop in gender ratio on math and science tests from 1981 to 1995, but little change since then.

Analysis of 30 years of SAT and ACT tests administered to the top 5% of U.S. 7th graders has found that the ratio of 7th graders scoring 700 or above on the SAT-math has dropped from about 13 boys to 1 girl to about 4 boys to 1 girl.

A Chicago study has found substantially lower reading scores in African-American children who were assessed directly after a local homicide. Hispanic children were not affected.

A study using data on reported homicides in Chicago 1994-2002 and two independent surveys of children and families in Chicago, has revealed that African-American children who were assessed directly after a local homicide occurred scored substantially lower on vocabulary and reading assessments th

Your teenager's school grades are usually better if they have more friends from their own school than out-of-school friends.

A study involving 629 12th-grade students from three Los Angeles-area high schools has revealed that, across both genders and all ethnicities, adolescents with more in-school friends, compared with out-of-school friends, had higher grade point averages.

Seventh graders given 20 mg zinc, five days per week, for 10 to 12 weeks showed improvement in cognitive performance, responding more quickly and accurately on memory tasks and with more sustained attention, than classmates who received no additional zinc.

A guinea pig study has found that newborn guinea pigs subjected to moderate vitamin C deficiency had 30% fewer hippocampal neurons and markedly worse spatial memory than guinea pigs given a normal diet.

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