The process of categorization

Write an essay on the process of categorization and make sure to include 
personal opinion based on the reading (• Qualitative research, its purpose, and applications
• Advantages and disadvantages of the analysis of qualitative data
• Different qualitative methods available
• Action research and grounded theory
• The process of categorization of qualitative data) and include an example of the use of categorization in your every-day-life.