Dr. Brown conducts research on how concepts are represented in people’s minds. He believes that each category has one perfect representation of a concept. Based on this, Dr. Brown most likely follows the model of organizing concepts.

prototype model of organizing concepts

Explanation:

A prototype is the best example or representation of a concept. A prototype refers to an early sample, model, or release of am organizations product which is used to test a concept or process. In the example the Deputy. Brown tries to understand how individuals arrange concepts as it has to do with prototypes such as one would show best representations of a concept in a prototype product which is not the final product.

idk but found this on google

"the kansas-nebraska act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. kansas with slavery would violate the missouri compromise, which had kept the union from falling apart for the last thirty-four years. the missouri compromise had prevented this from happening since 1820."