http://mec.sagepub.com/ and Development Evaluation in Counseling Measurement and http://mec.sagepub.com/content/47/2/127 The online version of this article can be found at: DOI: 10.1177/0748175614522273 2014 47: 127 Measurement and Evaluation in Counseling and Development B. James Larry H. Ludlow, Christina Matz-Costa, Clair Johnson, Melissa Brown, Elyssa Besen and Jacquelyn Work, Caregiving, Informal Helping, and Volunteering Measuring Engagement in Later Life Activities: Rasch-Based Scenario Scales for Published by: http://www.sagepublications.com On behalf of: Institution of Mechanical Engineers at: can be found Measurement and Evaluation in Counseling and Development Additional services and information for http://mec.sagepub.com/cgi/alerts Email Alerts: http://mec.sagepub.com/subscriptions Subscriptions: http://www.sagepub.com/journalsReprints.nav Reprints: http://www.sagepub.com/journalsPermissions.nav Permissions: http://mec.sagepub.com/content/47/2/127.refs.html Citations: by guest on March 12, 2014 mec.sagepub.com Downloaded from by guest on March 12, 2014 mec.sagepub.com Downloaded from