April 2020

Oxymoron

Elective Cancer Surgery Is An Oxymoron By Leonard Zwelling          In the March 31, 2020 edition of The Houston Chronicle, Marc Boom (CEO of Methodist) and Peter Pisters (president of MD Anderson) penned an op-ed about the roles that hospitals must take in the coronavirus crisis. It was a platitude-laden piece about traditional exercises in […]

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Choices

It’s Always About Choices By Leonard Zwelling          There are only choices. Those choices have type one (alpha) or type two (beta) errors. The first is an erroneous rejection of the null hypothesis—accepting significance when none exists. A type two error occurs when the null hypothesis is erroneously retained—missing a significance that is present. When

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