1–12 of 12
Children enrolled in Head Start or in another enriched preschool program, compared to similar children without such preschool, typically show a gain of about 10 IQ points during the year of the Head Start experience. This IQ gain typically fades and then disappears within the first few years of school, so that by…
Children enrolled in Head Start or in another enriched preschool program, compared to similar children without such preschool, typically show a gain of about 10 IQ points during the year of the Head Start experience. This IQ gain typically fades and then disappears within the first few years of school, so that by…
In Shannon’s terms, the feature of messages that makes codecracking possible is redundancy. A historian of cryptography, David Kahn, explained it like this: “Roughly, redundancy means that more symbols are transmitted in a message than are actually needed to bear the information.” Information resolves our uncertainty…
VCs and entrepreneurs tend to be well educated. Well educated people think about education as an investment. You put as many of your resources in to an investment as you can. It may take 20 years to pay off, but if the return-on-investment is high (which it is for education) then you invest. This group of people — if…
I recently codeveloped a game with a colleague who teaches a course in global studies to advanced high school students. We called the game Global Shuffle, and it was meant to simulate two realities of the 21st century global marketplace. First, the developed world creates certain kinds of resources, and the developing…
The Age of the Essay September 2004 Remember the essays you had to write in high school? Topic sentence, introductory paragraph, supporting paragraphs, conclusion. The conclusion being, say, that Ahab in Moby Dick was a Christ-like figure. Oy. So I'm going to try to give the other side of the story: what an essay…
We looked at the website of the Bureau of Labor Statistics, which calculates the national unemployment rate as well as unemployment rates for various subgroups. Those subgroups include Americans of four specific educational attainment levels. They are: less than a high school diploma; a high school diploma but no…
In 1905, at a gathering of the world’s greatest minds in the physical sciences, Henri Poincare´ reflected on the rapid progress of scientific inquiry and the means through which the scientific community at the turn of the twentieth century and beyond would refine our understanding of the world. In his historical…
If today you can take a thing like evolution and make it a crime to teach it in the public schools, tomorrow you can make it a crime to teach it in the private schools, and next year you can make it a crime to teach it to the hustings or in the church. At the next session you may ban books and the newspapers…
I took biology in high school and didn't like it at all. It was focused on memorization. ... I didn't appreciate that biology also had principles and logic ... [rather than dealing with a] messy thing called life. It just wasn't organized, and I wanted to stick with the nice pristine sciences of chemistry and physics…
In 1962, researchers wanted to test the effects of an early-childhood preschool training program they had designed. Kids in Ypsilanti, Michigan, were randomly assigned to one of two groups. The first attended the preschool program (which eventually became a model for other preschool programs nationwide, including Head…
User typesFrequency of useVariety of useTypical activityTypical platformStudiesOther labels (1) Non-users No use No use No All Largest of all user types Non-Internet users, Off the net, Inactives, Non-users, Non-users, Anxiety, (2) Sporadics Low use Low variety No particular activity, low interest, newcomers All Found…