Seemingly minor changes to a questionnaire can make a big difference to mean scores: a cautionary tale
Robert Goodman, Alessandra C. Iervolino, Stephan Collishaw, Andrew Pickles, Barbara MaughanVolume:
42
Language:
english
Pages:
6
DOI:
10.1007/s00127-007-0169-0
Date:
April, 2007
File:
PDF, 191 KB
english, 2007