TRY A LITTLE BIAS

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Time for me to mount one of my favourite hobby horses again, so brace yourselves!
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Today's Politics Show Scotland confirmed (again) my oft-repeated observations about the biases of its Labour-friendly presenter Glenn Campbell. He interviewed 4 politicians - one from Labour, one from the Conservatives and two from the SNP. Here are the statistics:
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Douglas Alexander (Labour) - 8 minute 3 second interview - 5 interruptions - I.C. of 0.6
Kenny MacAskill (SNP) - 6 minute 56 second interview - 7 interruptions - I.C. of 1.1
Richard Lochhead (SNP) - 5 minute 51 second interview - 6 interruptions - I.C. of 1.1
Bill Aitken (Conservative) - 2 minute 20 second interview - 2 interruptions - I.C. of 1.0
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Since I began recording interruption coefficients back in June last year 69 of Glenn's interviews have come my way. What are his averages (as of today) for each of the political parties:
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Conservatives (12 interviews) - 1.13
SNP (21 interviews) - 0.90
Labour (26 interviews) - 0.43
Lib Dems (6 interviews) - 0.32
Independent (1 interview) - 0
Greens (1 interview) - 0
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The evidence is conclusive. Interviews for the SNP are twice as tough at those for Labour - which confirms objectively how it feels subjectively. The Conservatives, of course, fare even worse, nearing three times as tough.
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Glenn's Top 10 looks like this:
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1. 28/6/09 David Mundell (Conservative) - 2.9
2. 14/6/09 Bill Aitken (Conservative) - 2.0
3. 11/10/09 Nicola Sturgeon (SNP) - 1.8
4. 2/07/09 Angus Robertson (SNP) - 1.6
5. 21/06/09 Richard Cook (Conservative) - 1.5
6. 29/11/09 Annabel Goldie (Conservative) - 1.4
7. 11/10/09 Ruth Davidson (Conservative) - 1.4
8. 4/10/09 John Swinney (SNP) - 1.4
9. 4/10/09 David Mundell (Conservative) - 1.3
10. 11/10/09 Willie Bain (Labour) - 1.3