What type of data did Freud primarily gather in the Little Hans Study?

Freud primarily gathered qualitative data in the Little Hans Study through observations and correspondence. This study involved a detailed analysis of a young boy's fears and experiences, particularly his phobia of horses. Freud obtained information by documenting Hans's behaviors, feelings, and thoughts over time, including letters exchanged with his father, who provided insights into the boy's experiences. This qualitative approach allowed Freud to explore complex emotions and the underlying psychological processes in depth, contributing to his theories about childhood development and the Oedipus complex. The focus on individual case details and narratives exemplifies the qualitative nature of the data collected, contrasting with other approaches that might emphasize numerical or statistical analysis.