TY - BOOK ID - 7195308 TI - Vocabulary knowledge AU - Jarvis, Scott AU - Daller, Helmut PY - 2013 VL - 47 SN - 09281533 SN - 9789027241887 9027241880 9027271674 9789027271679 1306053277 9781306053273 PB - Amsterdam DB - UniCat KW - Vocabulary KW - Language and languages KW - Ability testing KW - #KVHA:Taalkunde KW - #KVHA:Taalonderwijs KW - #KVHA:Woordenschatverwerving KW - Ability testing. KW - Language and languages -- Ability testing. KW - Vocabulary -- Ability testing. KW - Languages & Literatures KW - Philology & Linguistics KW - Language assessment KW - Study and teaching KW - Diction KW - Lexicology KW - Vocabulary - Ability testing KW - Language and languages - Ability testing UR - https://www.unicat.be/uniCat?func=search&query=sysid:7195308 AB - Many studies in a variety of educational contexts show that learning curves are non-linear (e.g. Freedman, 1987 for the development of story telling skills in the first language, DeKeyser, 1997 for the acquisition of morphosyntactic rules of an artificial second language or Brooks and Meltzoff, 2007 for the development of vocabulary in two-year-old infants), but there is no agreement on the best non-linear model which may vary between different contexts. Although there are strong arguments, both on empirical and on theoretical grounds, that a power curve is appropriate in most educational sett ER -