First Categories

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Forum 2. First Categories-How can we tell?

Humans, whether we know it or not, are constantly classifying and categorizing. From organisms to chemical elements to toys, everything we encounter is placed in a group based on our observations. This innate ability is likely linked to our primitive ancestors. Our ancestors were forced to quickly learn that animals with sharp teeth and some plants will kill people. The ability to categorize things as useful and not useful became important with the development of tools. Categorization abilities are heavily influenced by the culture in which we are raised in (Unsworth, Sears, & Pexman, 2005). We often begin categorizing things prior to learning to speak. Infants are gifted with the ability to categorize different objects, in
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Infants were split into three groups: casual condition, non-causal condition, and no outcome condition. Initially, all infants were shown two pairs of objects from the same category. The casual condition infants were shown the relationship between the toy and illuminated outcome box when connected. In the non-casual condition, the object and outcome box were not physically connected. The no outcome condition was similar to the non-casual condition, except the no outcome condition outcome box was not illuminated. After, infants were asked to choose another toy from a pair of formerly concealed toys. For both fourteen month and eighteen month old children, the casual condition group participants chose the correct toy more often than infants in the non-casual and no outcome conditions. From this, researchers suggested that infants draw more from casual information than non-casual information when developing categories (Booth,