Our results suggest that informational barriers were a primary factor in explaining this lack of adoption.

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Dr. Jennifer Shu, a pediatrician at Children's Medical Group in Atlanta, Georgia, thinks this is a primary factor in the resurgence of whooping cough.

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For both our online and our mobile app advertising platform, a focus on the user is a primary driving factor behind our impressive revenue growth.

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But in a tight primary, the Limbaugh-Hannity-Miller factor could make a difference.

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There is no arguing that in a slow economy price is the primary factor for shoppers.

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Television service used to be the primary factor in choosing a provider.

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However, shortly after his resignation announcement, he revealed to The Wall Street Journal that a falling stock price was the primary factor in his decision to move on.

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The other primary factor contributing to the Series A shortfall is the concentration of venture capital funds in the hands of a shrinking number of large firms.

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According to exit polls at the state's Democratic primary in 2008, race was an important factor for a fifth of white voters.

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On a per-share basis, the company lost 13 cents a share, slightly wider than the Street consensus forecast of 11 cents, with share count the primary swing factor.

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