Science you say? Yahoo changed it's logo daily last month. Let's have a look at how the search queries went down with every bad logo proposal (some really looke

Science you say? Yahoo changed it's logo daily last month. Let's have a look at how the search queries went down with every bad logo proposal (some really looked horrible). I'd be interested in some blind study: Give some top notch designers a logo of a real, say, investment bank, from a foreign country, and an alternative proposal from a design student, and let them explain which is the real one and why. Has anyone ever seen such a study?