Group items tagged

“Students who gain access to a home computer between the 5th and 8th grades tend to witness a persistent decline in reading and math scores,” the economists wrote, adding that license to surf the Internet was also linked to lower grades in younger children.In fact, the students’ academic scores dropped and remained depressed for as long as the researchers kept tabs on them. What’s worse, the weaker students (boys, African-Americans) were more adversely affected than the rest. When their computers arrived, their reading scores fell off a cliff.

We don’t know why this is, but we can speculate. With no adults to supervise them, many kids used their networked devices not for schoolwork, but to play games, troll social media and download entertainment. (And why not? Given their druthers, most adults would do the same.)

Babies born to low-income parents spend at least 40 percent of their waking hours in front of a screen — more than twice the time spent by middle-class babies. They also get far less cuddling and bantering over family meals than do more privileged children. The give-and-take of these interactions is what predicts robust vocabularies and school success. Apps and videos don’t.

It can also be used to redesign systems so that they’re easier to navigate in the first place.

A nudge, like the text-message reminders that helped students make the transition to college, offers a workaround to help people get through a complex system,

A nudge, they explained, encourages — but does not mandate — a certain behavior: think putting healthier options at eye level in the cafeteria.