Mind the Confidence Interval!

“Most patients using the new analgesia reported significantly reduced pain.” Such research findings sound exciting because the word significant suggests important and large. But researchers often use the word with a narrow statistical meaning that has nothing to do with importance. Consider this statement – a change is statistically significant if we are unlikely to […]

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A Primer on p Hacking

  There is a replicability crisis in science – unidentified “false positives” are pervading even our top research journals. A false positive is a claim that an effect exists when in actuality it doesn’t. No one knows what proportion of published papers contain such incorrect or overstated results, but there are signs that the proportion […]

Categories: Quantitative

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