How Important is Click Through Rate in Google’s Quality Score Formula?

Recently, I wrote an "Analyze This" column for SearchEngineLand about the importance of click through rate in determining your quality score on Google. A link to the full article is below but the bottom line is this. If you are looking to improve your quality score, first seek to improve your CTRs. But don’t waste your time trying to get the highest score. Once you have the CTR piece of puzzle solved, you can concentrate on the other factors such as landing page quality, ad copy relevance and campaign structure.
http://searchengineland.com/how-important-is-click-through-rate-in-googles-quality-score-formula-27296

Siddharth Shah