ISBN-13: 9780805854565 / Angielski / Miękka / 2007 / 14 str.
ISBN-13: 9780805854565 / Angielski / Miękka / 2007 / 14 str.
'Building a Validity Argument for the Test of English as a Foreign Language' is distinctive in its attempt to develop a coherent story of the rationale for a test or its revision, explain the research and development process, and provide the results of the validation process.