TAKE ME YOUR LEADER, EVAN

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In the light of Evan Davis's pretty tough interview with David Cameron yesterday, I thought I might look back and see how its interruption coefficient of 1.1 compares with Evan's other interviews with Cameron and Gordon Brown since I began my survey in June 2009. He's conducted two interviews with each man, so this could be a fruitful exercise:
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Gordon Brown - 0.4 - 1/6/09
David Cameron - 0.8 - 6/10/09
Gordon Brown - 0.2 - 13/11/09
David Cameron - 1.1 - 7/1/10
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Averaged out, this means it's 0.95 for Cameron and 0.3 against Brown - suggesting that Evan Davis is three times tougher in interviews with Cameron than he is with Brown.
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Of course, he's not Jim Naughtie, who's only conducted one such interview in this period:
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David Cameron - 1.7 - 2/6/09
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