Instead it looks as if such trapping studies are selecting the bravest individuals.
ECONOMIST: Animal personalities
Several studies of mutual fund rotation points to investor bias when selecting an asset class.
FORBES: Investment Principle Matters to Principal
Relatively few students are enrolled in voucher schemes, and studies of them are controversial because these are mostly self-selecting samples.
ECONOMIST: Sorting out school choice
The program has taken an innovative approach to fighting breast cancer by selecting breast cancer survivors as active participants on voting panels, which decide what studies are funded and the general direction of the program.
CNN: A call to arms in the fight against breast cancer
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