Trial examples for the critical conditions when search is for the low-reward category plants. In Group A, the high-reward category is cars; whereas in Group B, the high-reward category is people. The scenes can contain examples of people or cars, or examples of both categories concurrently. When people and cars are both present in the scene, one example is presented laterally and the other centrally. A, The scene contains an example of the nontarget category people. For Group A, this scene contains a lateral low-reward distractor; whereas for Group B, this same scene contains a lateral high-reward distractor. B, The scene contains an example of the nontarget category cars. For Group A, this scene contains a lateral high-reward distractor; whereas for Group B, this same scene contains a lateral low-reward distractor. C, The scene contains a lateral example of the nontarget category people and a central example of the nontarget category cars. For Group A, this scene contains a lateral low-reward distractor and a central high-reward distractor. For Group B, this same scene contains a lateral high-reward distractor and a central low-reward distractor. D, The scene contains a lateral example of the nontarget category cars and a central example of the nontarget category people. For Group A, this scene contains a lateral high-reward distractor and a central low-reward distractor. For Group B, this scene contains a lateral low-reward distractor and a central high-reward distractor.