You may recall the minimum wage study commission convened by President Carter.

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Recall bias happened because the study was retrospective rather than prospective.

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Recall that a few patients in the phase III study presented last fall at ACR also experienced heart failure, but that TNFs are also associated with heart failure.

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That immediacy may give the study a little more weight than the usual recall studies, which may ask people weeks later what they did.

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The most serious flaw in the study, however, is generally reckoned to be recall bias, which would tend to work in the opposite direction, by suggesting problems with phones that do not, in fact, exist.

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If you recall, Facebook introduced new in-depth privacy controls in 2010, and the study found that the release of these new settings corresponded to users sharing more personal data, both within their network of friends and with strangers and third-party applications.

ENGADGET

The authors note the limitations of their study here in the full text of the article, which included that it relied on maternal recall of vitamin intake around pregnancy, several years after the pregnancy.

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There were also cognitive and memory tasks that the drink did not seem to improve, according to the study, and the researchers should look further into what other improvements can be seen besides the verbal recall finding, Gu said.

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