Background Difference-in-differences is a method commonly used in population health research. It is based on assumptions that are well-known and well-understood in the classic textbook example of two ...

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Adult Disability Payment (ADP) has replaced Personal Independence Payment (PIP) for all new and existing claimants in Scotland, but the two benefits are not identical. While the payment structures are ...

When I was a kid, I was placed in special education. Recurrent ear infections had left me with a central auditory processing disorder, and the school’s verdict was that I needed to be sorted into the ...