[NIFL-ASSESSMENT:165] RE: norm vs criterion

From: Mary Schneckenburger (Mary_Schneckenburger@umit.maine.edu)
Date: Fri Jul 26 2002 - 10:30:56 EDT


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Subject: [NIFL-ASSESSMENT:165] RE: norm vs criterion
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For Dianna,

As John says, a portfolio can be formative or summative. To me, formative would be when the contents are used to collect evidence of learning to guide how to learn or teach better or to guide what to learn or teach next when learning is still going
on. It seems like a portfolio is summative when it is meant to sum up work that has been done over time, after that work is finished. I think usually that would involve a grade which means the portfolio would be used evaluatively: a value or
judgment of worth is being placed on the work. 

According to Popham, formative is when it is still going on and summative is when it is done at the end of something. According to Anne Davies, formative assessment, collecting evidence of learning to guide learning and instruction must be
descriptive enough to tell someone what to do to improve, whereas evaluation, when you judge the value or worth of something, usually with a letter or number, should only be done at the end or as little as possible.

The report on Performance Assessments for Adult Education at http://www.nap.edu/catalog/10366.html  has numerous references on portfolio reliability on pages 4-5 and 3-6.

Mary


Mary Schneckenburger

Staff Development Specialist
Center for Adult Learning & Literacy
5766 Shibles Hall
University of Maine
Orono, ME 04469-5766
207 581 2498 ext. 19 (office)
207 268 4013 (home)
mary.schneckenburger@umit.maine.edu



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