The language tester's statistical toolbox  

Oleh:

Davidson, Fred

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: SYSTEM: An International Journal of Educational Technology and Applied Linguistics (Full Text) vol. 28 no. 4 (Dec. 2000), page 605-617.
Topik: Statistics; Language testing; `Tools'; reliability analysis; Statistical analysis software
Fulltext: Davidson_Fred.pdf (120.88KB)

Isi artikel

Using analogy to carpentry, various statistical analysis tools in language testing are descri- bed, chie¯y Classical Test Theory and Item Response Theory. Computer software for statis- tical analysis is brie¯y reviewed and divided into three tiers: commonly available (e.g. Excel); statistical packages (e.g. SPSS); and speciality software (e.g. FACETS). Simplicity is stressed: often the most challenging aspect of statistics in language testing is interpretation, not the actual computational analysis. Regardless of the complexity of the analysis, it is unwise for statistics to drive language test development. Statistical determinism is a dangerous episte- mological force

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