Rüdiger Grotjahn

A closer look at the construct validity of C-tests

Thomas Eckes, Rüdiger Grotjahn · Language Testing · 2006 · 209 citations

Engineering, Multilingualism, Verification +21

The Research Programme Subjective Theories

Rüdiger Grotjahn · Studies in Second Language Acquisition · 1991 · 138 citations

Second Language Learning, Methodological Orientation, Behavioral Decision Making +22

On the methodological basis of introspective methods.

Rüdiger Grotjahn · 1987 · 113 citations

Methodological Orientation, Psychology, Epistemology +4

Towards a theory of word length distribution

Gejza Wimmer, Reinhard Köhler, Rüdiger Grotjahn et al. · Journal of Quantitative Linguistics · 1994 · 93 citations

Testing spoken language

Rüdiger Grotjahn · System · 1988 · 82 citations

Spoken Language, Health Sciences, Speech Corpus +10