[填空题]

Shopper 46 is making a decision. Stopwatch in hand, I observe her from behind a cereal display. Shopper 46 has been contemplating bananas for four minutes and 43 seconds. Finally, she moves to place one with minimal brown spots in her cart, changes her mind and quickly de posits the unfit specimen back onto the pile of fruit. Shopper 46 exits the produce department with a bargain tub of banana pudding instead.
Working as a consumer behavior researcher since last summer for Brian Wansink, director of the Cornell University Food and Brand Lab, I have observed thousands of supermarket patrons on the spot from Whole Foods to Safeway. In this economy, people are increasingly trying to save money by eating in. As Americans make the transition from restaurant tables to supermarket aisles, they are making mistakes that translate into unnecessary expenses at the checkout lane.
Grocery. shopping might seem like an ordinary, mechanical activity