Felix Warneken | Videoclips1: Warneken & Tomasello (2006) Science We presented 18-month-old children and human-raised chimpanzees a variety of situations in which the experimenter could not achieve the goal and needed help from the subject. 1.1 CHILDREN STUDY a: Clothespin Task The adult accidentally drops a marker on the floor and unsuccessfully reaches for it. click here b: Cabinet Task The adult wants to put magazines in
