@article {5551,
	title = {Learning from portfolios: differential use of feedback in portfolio construction},
	journal = {Studies in Educational Evaluation},
	volume = {26},
	year = {2000},
	pages = {193-210},
	keywords = {feedback, portfolio assessment, test construction},
	url = {http://eric.ed.gov/ERICWebPortal/search/detailmini.jsp?_nfpb=true\&_\&ERICExtSearch_SearchValue_0=EJ617232\&ERICExtSearch_SearchType_0=no\&accno=EJ617232},
	author = {Tillema, H. and Smith, K.}
}
