Harrison is working in a new office, and he has a ring of keys that open various doors in his area. He goes to the supply closet to get some pens and pads of paper, but he cannot remember which key is the right one. He proceeds to try each key on the ring until he finds the right one. Which problem-solving strategy is Harrison using?
◦ An algorithm
◦ The representativeness heuristic
◦ The mechanical solution
◦ A means-end analysis