Internet Survey V

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     In a recent telephone survey of over 6,000 Americans, the Pew Internet & American Life Project has concluded that African Americans' usage of internet technology lags behind that of whites. Survey respondents who identified as African Americans trailed whites by seven percentage points in use of the internet; 87% of whites and 80% of blacks are internet users. Moreover, 74% of white respondents had broadband internet access in their home, whereas 62% of black respondents had such access.
     Although the Pew survey appears to draw on a representative slice of Americans using careful survey methods, its results may suffer from having answered an inherently misleading question. The survey found, for example, that black and white internet usage and access is identical once other variables are controlled. Namely, 86% of African Americans respondents aged 18-29 were home broadband adopters, as were 88% of African Americans college graduates and 91% of blacks with an annual household income of $75,000 or more per year. These figures were not only well above the national average for broadband adoption, but, more to the point, they were identical to whites of similar ages, incomes, and education levels. It follows that internet adoption has nothing to do with race per se and everything to do with some or all of the factors age, educational attainment, and household income. If internet adoption correlates primarily with household income, as other studies of technology would suggest, then the survey in question does little more than lead us back to the fact that African Americans have a lower average household income than white Americans--a fact which has already been established. Nevertheless, the Pew study is a confirmation and a reminder of the fact that the current income difference between whites and blacks in America is having an impact on African Americans' access to technology and to the benefits that accrue from efficient access to the internet.                

The passage implies that, among the set of variables discussed, the single factor best explaining different rates of broadband internet adoption is most likely

Review: Internet Survey V


Explanation

This question might sound like it's going to be obvious at first, but then the answer choices match up with the passage in a tricky manner. We can pretty quickly rule out (A) and (B) based on our understanding of the passage. But answer choices (D) and (E) both echo some of the language in lines 27-30: "...internet adoption has nothing to do with race per se and everything to do with some or all of the factors age, educational attainment, and household income." We must go searching for objective defects. Choice (E) is actually quite bold, because there are countless possible factors that we could stipulate, some ludicrous, to explain different rates of broadband adoption. We have no reason to think that the author believes those ludicrous explanations would be better. In fact, the author implies that race is a relevant explanation, just a misleading one, by stating that "lead us back to the fact that African Americans have a lower average household income than white Americans" (lines 33-36). Race is clearly involved; it's just not the best explanation. So (E) is out. Choice (D), also, is less reasonable than it might sound at first. It would be a very specific suggestion, one the author does not make, to say that the rates of broadband internet adoption should be explained by a composite variable of age, education, and income--a single, composite variable X, say. That is a specific proposal that was not included. Finally, after line 36, she goes on to refer solely to household income as the primary explanation for the adoption rates.

Therefore, the correct answer is (C).


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