One of our PPC peeps, Brittany, found a very interesting article for all you PPC folks on Search Engine Journal today. The article, Google Leaks Quality Score Variable (Pscore, mCPC and thresh) in Search Results, show some screen shots of what one can only assume to be quality score data appearing in the search results.

The data is broken into 3 different variables, which are:

• Pscore - no one is totally sure what this is, but some believe it is a numerical value that represents the statistical significance of the match to the search term
• mCPC - thought to be maximum cost per click
• thresh - didn’t see any speculation on this variable

If this is accurate information, it’s terribly interesting to me that these three numbers would show up in the search results. The example shown in the SEJ article is for the term “warwick honda dealer” and shows that out of the two AdWords results, the corporate Honda website is likely bidding much higher than a non-official Honda site. The interesting thing is that the non-official site has a higher Pscore, which could mean it is considered more relevant that the corporate Honda site.

Of course, with anything like this, I’m left with more questions than answers. Namely, are these the only three scores that are used to determine placement? Also, why would something like this end up in the visible search results? Is it something that is normally visible to Google employees only? Finally, what the heck is “thresh”?!

Let me know your thoughts on the leak…and if you figure out what a thresh is.

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