Designate meaningful categories and assign each response to a category, then sum the number of responses in each category as the indication of the category's importance to the population responding.

Assign a value rating to each response, then sum the ratings for all responses, and use the mean as representative of the responses of the total population.

Score each response according to personality type.

Search for keywords, significant to the research being done, in each response. Count the number of each keyword used and take the keyword usage totals as representative of the population studied.