Nice study as an example for statistics teaching, shades of the Lanarkshire Milk Experiment, but the design seems to preclude that. Not clear if the pupils with

Nice study as an example for statistics teaching, shades of the Lanarkshire Milk Experiment, but the design seems to preclude that. Not clear if the pupils within each school were selected through student ID numbers or similar or left to school groups? PS: The Isabella Stewart Gardner Museum has regular classical music concerts that are downloadable as mp3s, classified by composer. Very useful resource as they are CC licensed.