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Comparison of the pretest/posttest v...

Wakenight, Trent Wilson.

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Comparison of the pretest/posttest vs post/then survey tool in the context of consumer food safety education.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Comparison of the pretest/posttest vs post/then survey tool in the context of consumer food safety education./
作者:	Wakenight, Trent Wilson.
面頁冊數:	58 p.
附註:	Source: Masters Abstracts International, Volume: 42-06, page: 1925.
Contained By:	Masters Abstracts International42-06.
標題:	Speech Communication. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1420015
ISBN:	0496247670

Comparison of the pretest/posttest vs post/then survey tool in the context of consumer food safety education.
Wakenight, Trent Wilson.

Comparison of the pretest/posttest vs post/then survey tool in the context of consumer food safety education. - 58 p.

Source: Masters Abstracts International, Volume: 42-06, page: 1925.

Thesis (M.A.)--Michigan State University, 2004.

Faced with decreasing budgets, food safety educators must develop effective evaluation strategies in order to accurately prove intervention impacts to funding providers. While many educators use the pretest/posttest self-report tool to record consumers' knowledge changes, results can be skewed as consumers have a misperception of their knowledge levels in the pretest stage, over- or underestimating their knowledge. Subject to an altered frame of reference, or "response shift bias," after the intervention, consumers' knowledge is thus reflected inaccurately in the posttest. This can lead to conservative survey scores and inaccurate intervention impact(s).

ISBN: 0496247670Subjects--Topical Terms:

1017408
Speech Communication.

Comparison of the pretest/posttest vs post/then survey tool in the context of consumer food safety education.
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500 $a Adviser: Brenda J. Wrigley.
502 $a Thesis (M.A.)--Michigan State University, 2004.
520 $a Faced with decreasing budgets, food safety educators must develop effective evaluation strategies in order to accurately prove intervention impacts to funding providers. While many educators use the pretest/posttest self-report tool to record consumers' knowledge changes, results can be skewed as consumers have a misperception of their knowledge levels in the pretest stage, over- or underestimating their knowledge. Subject to an altered frame of reference, or "response shift bias," after the intervention, consumers' knowledge is thus reflected inaccurately in the posttest. This can lead to conservative survey scores and inaccurate intervention impact(s).
520 $a An alternative, the post/then tool, retrospectively measures participants' resulting knowledge change asking the pretest and posttest questions after the intervention. This reduces response-shift bias and more accurately measures impact(s).
520 $a This study compared pretest/posttest and post/then mean scores within the context of food safety education for seniors. A pretest/post/then survey was also given to further estimate the accuracy of results. While the latter approach failed due to an inadequate number of participants, the post/then approach gave a more accurate portrayal of impacts and less conservative scores in eight of eight dimensions versus the discovery of meaningful scores in just five of eight dimensions in the pretest/posttest tool. These results can be used to provide justification for program existence and the maintenance of funding.
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