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12:07 Dec 23, 2010
English to Persian (Farsi) translations [PRO] Construction / Civil Engineering / Urban Development
English term or phrase:to control for something
Cities are proven poverty fighters. For example, urban incomes are, on average, four times higher than rural ones in countries such as China and Thailand, and significant income differentials remain after controlling for higher education levels in cities.
Explanation: When we say "we control for higher education levels in cities" it means as we controlled the effect of it one the other variables.
Definition of Control For: As used in the following way: "The effect of X on Y disappears when we control for Z", the phrase means to regress Y on both X and Z, together, and to interpret the direct effect of X as the only effect. Here the effect of Z on X has been "controlled for". It is implied that X is not causing changes in Z.