How can measurement, assessment and evaluation be distinguished from one another?
Measurement: differentiation and description through numerical expression; observations expressed using language of numbers. quantitative data e.g., measurement of weight. The degree of accuracy needed in a measurement is related to the purpose it serves.e.g., psychology, education vs. physical sciences, engineering. Includes #'s, helps to create scale
- Assessment: Assessment becomes measurement when numerical values are referenced. e.g., height of an individual
- “Tall” = assessment vs.“7 feet” = measurement. reliability of measurement not necessarily important here. Qualitative data, scale, admin, observations helps form observation.
Evaluation: both measurement and assessment. Summing up process. value judgments and decisions based on collection of data. judgments based on one’s interpretation of collective performance. Includes score, judgements, results, interpretation. Gather pools of assessments. Compile info to make a determination or decision.
