References
- Committee on Scientific Principles for Education Research . 2002 . “ Executive summary ” . In Scientific research in education , Edited by: Shavelson , R. and Towne , L. 1 – 10 . Washington, DC : National Research Council .
- Rallis , S.F. , Rossman , G.B. and Gajda , R. 2008 . Trustworthiness in evaluation practice: An emphasis on the relational . Special issue, Ethics in Evaluation. Evaluation and Program Planning , 30 ( 4 ) : 404 – 9 .
- Rossman , G.B. and Rallis , S.F. 1998 . Learning in the field: An introduction to qualitative research. , 1st ed. , Thousand Oaks, CA : Sage .