The Myth of "Seven, Plus or Minus 2"

One guideline that needs closer attention is the "Magic Seven, Plus or Minus Two" (7±2) rule of thumb ... In fact, many site navigations are presented on all pages at all times for continuous reference. Immediate memory doesn't play a significant role.What Is ‘Affordable’ Health Care?

For starters, the president ought to probe deeply into a facile slogan adopted by both parties, namely that they want to make health insurance “affordable” to all Americans ... for health insurance premiums plus out-of-pocket costs on a minimally ...Alex Ovechkin’s Plus-Minus Rating Is Getting A Bit Ridiculous

I’m talking about his plus-minus rating ... Steven Stamkos was a plus-7 the previous year when he led the league with 60 goals, though he is the last Rocket Richard Trophy winner to finish with a negative rating (a minus-2 in 2009-10, when the Lightning ...The Workforce Is Even More Divided by Race Than You Think

The numbers reveal a workforce stratified, if not calcified ... Whites, for example, are four times more likely to earn a bachelor's degree than to drop out of high school. Hispanic adults, meanwhile, are almost twice as likely to drop out of high school ...Poll: Obama health law is a tale of 2 Americas

The uninsured rate in West Virginia fell 5.7 points after the state agreed to Medicaid expansion ... The 2013 margin of sampling error for most states is plus or minus 1 to 2 percentage points, but it is as high as plus or minus 3.5 points for states ...

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