 Surprise boxes: This task involves an experimenter opening a box in front of a participant, usually a child, and displaying either an amazed reaction, by saying "ohh" or , a frightened reaction, by saying "ahh." Experimenter distress: In this task, the experimenter bangs his or her knee, displaying distress Yummy yucky: In this task, a child is asked to eat a certain food that was chosen by his or her parent. An experimenter then tastes the chosen food and either displays a pleased or disgusted facial expression.
<coherence>  Surprise boxes: This task involves an experimenter opening a box in front of a participant, usually a child, and displaying either an amazed reaction, by saying "ohh" or , a frightened reaction, by saying "ahh." Experimenter distress: In this task, the experimenter bangs his or her knee, displaying distress Yummy yucky: In this task, a child is asked to eat a certain food that was chosen by his or her parent. An experimenter then tastes the chosen food and either displays a pleased or disgusted facial expression.
 Surprise boxes: This task involves an experimenter opening a box in front of a participant, usually a child, and displaying either an “amazed” reaction by saying “ohh” or a “frightened” reaction by saying “ahh”.