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Children's Learning & Development

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A study of language and self-regulation skills in toddlers suggests that having a good vocabulary helps boys in particular control their behavior and emotions.

A study involving 120 toddlers, tested at 14, 24, and 36 months, has assessed language skills (spoken vocabulary and talkativeness) and the development of self-regulation. Self-regulation is an important skill that predicts later academic and social success.

Two studies suggest that ADHD is being over-diagnosed among students who are the youngest in their classes.

Two independent studies have found that students whose birthdays fell just before their school's age enrollment cutoff date—making them among the youngest in their class—had a substantially higher rate of ADHD diagnoses than students who were born later.

In a study of young Mexican-American children, higher prenatal exposure to pesticides was significantly associated with ADHD symptoms at age 5.

A study following over 300 Mexican-American children living in an agricultural community has found that their prenatal exposure to organophosphate pesticides (measured by metabolites in the mother’s urine during pregnancy) was significantly associated with attention problems at age 5.

Children’s slowly developing memory for past events may not be due to the slow development of the prefrontal cortex, as was thought, but to changes in the hippocampus.

Children’s ability to remember past events improves as they get older. This has been thought by many to be due to the slow development of the prefrontal cortex.

A new study shows that verbal rehearsal develops considerably between the ages of six and eight.

A study involving 117 six year old children and 104 eight year old children has found that the ability to preserve information in working memory begins at a much younger age than had previously been thought.

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

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 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

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 study of 80 pairs of middle-income Canadian mothers and their year-old babies has revealed conversational strategies that are associated with better executive skills among toddlers.

A study of 80 pairs of middle-income Canadian mothers and their year-old babies has revealed that children of mothers who answered their children's requests for help quickly and accurately; talked about their children's preferences, thoughts, and memories during play; and encouraged successful st