Rüdiger Grotjahn

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Books by Rüdiger Grotjahn (50 max)

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Hexameter studies

1981

Rüdiger Grotjahn

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Taking their measure: the validity and validation of language tests

1987

Rüdiger Grotjahn, Douglas K. Stevenson, Christine Klein-Braley

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Der C-Test: theoretische Grundlagen und praktische Anwendungen

1992

Rüdiger Grotjahn

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University language testing and the C-test

2002

James A. Coleman, Rüdiger Grotjahn, Ulrich Raatz

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The C-Test--Theory, Empirical Research, Applications Der C-Test: Theorie, Empirie, Anwendungen (Language Testing and Evaluation)

2006

Rüdiger Grotjahn

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The C-Test--Theory, Empirical Research, Applications Der C-Test: Theorie, Empirie, Anwendungen (Language Testing and Evaluation)

2006

Rüdiger Grotjahn

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Sprachlehrforschung Theorie und Empirie : Festschrift für Rüdiger Grotjahn

2010

Rüdiger Grotjahn, Annette Berndt, Karin Kleppin

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Der C-test Aktuelle tendenzen = The C-test : current trends

2014

Rüdiger Grotjahn