• Summary
  • Contents

Key Concepts in Educational Assessment provides expert definitions and interpretations of common terms within the policy and practice of educational assessment. Concepts such as validity, assessment for learning, measurement, comparability and differentiation are discussed, and there is broad coverage of UK and international terminology. Drawing on the considerable expertise of the authors, the entries provide: - clear definitions; - accounts of the key issues; - authoritative and reliable information; - suggestions for further reading

Created to support students of education on undergraduate and postgraduate courses, and established education professionals including those who are members of the Chartered Institute of Educational Assessors (CIEA), this book is an accessible guide for anyone engaged in educational assessment.

Tina Isaacs is Director of the MA in Educational Assessment at the Institute ...

Validity
Validity

An essential qualityィ of an assessment is the extent to which it is valid, that is, that the assessment measures the content, skills and understanding that it sets out to measure in such a way that accurate and fair conclusions about performance can be drawn from its outcomes. According to Messick's (1989: 13) classic definition, validity is a multi-faceted but unitary concept: ‘Validity is an integrated evaluative judgement of the degree to which empirical evidence and theoretical rationales support ...

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