What Technical Communicators Think About Measuring Value Added
http://www.ingentaconnect.com/content/stc/tc/1995/00000042/00000001/art00004
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  peer-reviewed

Ramey, Judith A.
Technical Communication Online
1995

Abstract:

As part of an STC-funded research project on measuring the value added by technical communicators and information products, researchers designed a questionnaire to get a view of current thinking in the profession about the issue of measuring value added.