ArchiveApril 15, 2014

Power analyses for matching

A colleague at RTI asked me about power analyses for PSM, specifically, should he assume dependent samples for his power analysis? Recall that with dependent samples, we pair observations at the analysis stage. For example, we might calculate the change over time for two observations of the same individual, or compare husbands’ and wives’ perception of their marriages. With matching...

In defense of the SAT

Takes on popular myths that the SAT does not predict college success, is only driven by socio-economic status, etc.:
Yes, IQ Really Matters

About me


Professor and quant guy. Libertarian turned populist Republican. Trying to learn Japanese and play Spanish Baroque music on the ukulele.

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