The Friday Funny – The Hollowmen

This week we are revisting a classic moment in Australian comedy which seems strangely relevant to this week’s headlines.

Read the whole post –> The Friday Funny – The Hollowmen

Does regression to the mean explain successful diet programs?

We might remember ‘regression to the mean‘ from those lists of threats to validity (in terms of causal analysis). But when is it actually likely to be a problem for genuine evaluation? In a recent post by Rebecca Goldin on the stats.org blog, “Why any ol’ diet will work (if your BMI is high enough):

Read the whole post –> Does regression to the mean explain successful diet programs?

Critiquing a partial evaluation – is a half-full glass better or worse than no drink at all?

Where do you draw the balance? Should we stop doing small evaluations that only look at a few pieces of data, to avoid the risk of misinterpretation? Or should we work harder to ensure their findings can be appropriately incorporated with other information?

In a recent post on the George Mason University website www.stats.org ,

Read the whole post –> Critiquing a partial evaluation – is a half-full glass better or worse than no drink at all?