大学英语四六级写作及其写作教学(1)(6)
2015-06-26 01:02
导读：4.2 Validity of writing Validity is the most important quality of test interpretation or use, or the extent to which the inferences or decisions we make on the basis of test scores are meaningful, app
4.2 Validity of writing
Validity is the most important quality of test interpretation or use, or the extent to which the inferences or decisions we make on the basis of test scores are meaningful, appropriate and useful. Briefly, the validity of a test is the extent to which it measures what it is supposed to measure and nothing else.
One commonly referred to and most important type of validity is content validity. This thesis gives a detailed analysis of the content validity of the CET-4/6 writing tests. Writing as a test way, the writing part is the most validity part, especially in backwash teaching.
4.3 Content validity
A test has content validity if its content constitutes a representative sample of the language skills, structures, etc, with which it is meant to be concerned .This kind of validity depends on a careful analysis of the language being tested and of the particular course objectives. In order to judge whether or not a test has content validity, we need a specification of the skills or structures, etc, that it is meant to cover. Such a specification should be made at a very early stage in test construction . A comparison of test specification of test should be made at a very early stage in test construction. A comparison of test specification and test content is the basis for judgments as to content validity.
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