What is the difference between formal and informal assessments?

The correct answer highlights that formal assessments are standardized and structured, while informal assessments are more flexible.

Formal assessments typically involve testing methods that are planned and standardized, allowing for consistent application and scoring across different individuals or groups. These assessments often adhere to strict protocols and can include standardized tests that yield quantifiable data, making them useful for comparisons and validity. They are designed to measure specific skills or knowledge in a way that is replicable and interpretable, resulting in standardized scores.

In contrast, informal assessments are adaptable and can take various forms, such as observations, interviews, or unstructured assessments. They allow practitioners the flexibility to adjust to the needs of the learner and can be tailored to assess skills in a more naturalistic context. The informal approach enables educators or diagnosticians to gather qualitative data, which can provide insights into a student's understanding and skills that might not be captured in formal testing conditions.

This distinction is crucial for educational diagnosticians as it influences how they assess and address students' needs. Understanding when to use each type of assessment and the purpose they serve can significantly impact educational strategies and interventions.