ASTM International offers manual on Just-About-Right scales.April 21, 2009 -
Manual 63, Just-About-Right (JAR) Scales: Design, Usage, Benefits, and Risks, is guide detailing use of JAR scales, including their application, construction, analysis, and interpretation, in consumer testing. It identifies risks associated with their use and includes various case studies for analyzing scale data as well as alternatives to such scales. Levels of product's attributes relative to respondent's theoretical suitable level are measured by JAR scales.
New ASTM International Manual on Just-About-Right (JAR) Scales
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Press release date: April 20, 2009
W. CONSHOHOCKEN, Pa., 20 April 2009 - A new publication available from ASTM International, Manual 63,Just-About-Right (JAR) Scales: Design, Usage, Benefits, and Risks, is a comprehensive guide on the use of JAR scales in consumer testing, including their application, construction, analysis and interpretation. It also identifies the risks associated with the use of JAR scales and ways to reduce those risks.
JAR scales measure levels of a product's attribute relative to a respondent's theoretical ideal level. These scales have an anchored midpoint of "just-about-right" or "just right," and endpoints anchored to represent intensity levels of the attributes that are higher and lower than ideal. A "must have" reference for professionals who use JAR scales when conducting consumer research, Manual 63 also includes numerous case studies for the analysis of JAR scale data and alternatives to JAR scales.
Manual 63,Just-About-Right (JAR) Scales: Design, Usage, Benefits, and Risks (120 pages, soft cover, 8.5" x 11"; ISBN: 978-0-8031-7010-0; stock #MNL63; E-book ISBN: 978-0-8031-6739-1, E-book stock #: MNL63-EB) is available in electronic or hardy copy for $55. Contact ASTM Customer Service (phone: 610-832-9585; fax: 610-832-9555; firstname.lastname@example.org) or visit www.astm.org.
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