STEP 2 INSTRUCTIONS: Write down as many white things in your refrigerator as you can think of. Most people, remarkably, can list about as many white things from their refrigerators as white anythings. This result is stunning because, well, our fridges don’t include a particularly large part of the universe. Even people who list more white anythings often feel that the refrigerator test is “easier.” Why does this happen? Because concreteness is a way of mobilizing and focusing your brain.
