In an industry long known for counting the number of people who watch TV shows and the commercials that accompany them, Fox is starting to place new emphasis on a different sort of tabulation. The company on Thursday unveiled its Fox Flash Impact Report, which presents data evaluating how commercials perform, not just how many people might have seen them. The new report looks at such things as whether commercials made consumers more aware of what was being promoted, whether the ads changed the amount of consideration consumers give to making a purchase, how much they kept viewer engaged, and other “outcomes” that might include everything from making a visit to a car showroom to surfing an advertiser’s website to requesting information like a coupon or brochure. “We know the value of premium content. And we know how well our content drives performance,” says Kym Frank , senior vice president of ad sales research for Fox Corp., during a recent interview.…