The irresistible lure of secondary analysis

The one thing that particularly worries me about the Department of Health in its various semi-devolved guises making 40% cuts to non-NHS spending is that some of the activities I get involved in or advise on, which rely on accurate data, can appear beguilingly simple to cut by falling back on existing data sources, but the devil is in the detail. It is very hard to draw meaningful conclusions from data that were not collected for that purpose, but when the analytical team or their boss is pressed to give a one-line summary to the politicians, it all sounds hunky dory. The guy holding the purse strings might never know that the simple one-liner is built on flimsy foundations.

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