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English-language learners and validity

Author(s): Charles Darr
| Year published: 2013 | Publication type: Journal article | Publisher: NZCER Press | Content type: Set article

Making sense of measurement scales

Author(s): Charles Darr
Measurement scales allow raw test scores to be converted to locations on an equal-interval scale.   This article outlines how these work, how they are numbered and how they relate to...
| Year published: 2006 | Publication type: Journal article | Publisher: NZCER Press | Content type: Set article