What observational method involves summarizing a developmental incident after it occurs?

The method that involves summarizing a developmental incident after it occurs is known as anecdotal records. This observational technique allows educators to document specific incidents of a child’s behavior, skills, or development in a detailed narrative format. By capturing the context and specifics of the incident, anecdotal records provide insight into a child's developmental progress and learning patterns.

This method is particularly valuable because it focuses on real-life situations and interactions, enabling teachers to understand how children apply their skills in practical settings. It also helps in tracking changes over time, providing a more comprehensive picture of a child's development and learning.

In contrast, self-reflection often involves personal insights and thoughts about teaching practices rather than documenting student behaviors. Test assessments usually refer to standardized evaluations of student knowledge or skills rather than observational narratives. Structured interviews focus on gathering data through direct questioning rather than through observational methods like anecdotal records. Thus, anecdotal records stand out as the appropriate choice for summarizing developmental incidents.