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How do People Form Categories - An Exploration

Over summer 2017, I designed, ran and analyzed data investigating how people form categories (such as dog, tree, etc.) internally, and which conditions are most conducive to learning certain categories.

Previous study (Andrews et al, 2011) indicated people learned categories best when the stimuli were "triples" (i.e. three items presented together) of three different categories with one item from each category and learning mode was categorical (i.e. you guessed the correct category and were given feedback).

However, competing evidence (Patterson and Kurtz, 2015) showed learning was best when stimuli were pairs from the same category and learning mode was observational (i.e. you were shown the items and the correct category without interaction).

Our goal was to discover whether this latter finding was due to learning mode or category type.

I made a poster that explains the rest better than I can, so here it is!