Question

The prototype approach to categorization states that a standard representation of a category is based on a universal set of category members. category members that have been encountered in the past. a defined set of category members. the definition of the category.

Answer 1

 Prototype is an average representation of a category.The prototype approach in which objects are categorized based on how similar they are to a mental image of a prototype was developed by the American psychologist Eleanor. 
The prototype approach to categorization states that a standard representation of a category is based on category members that have been encountered in the past.