Gary, To echo others, in a word, you are not alone! Almost to the end of my/our college's initial supply of the gold wringers after about 2.5 years and I have more duds than scratchers. Luckily, with distributed video conferencing locations being the teams, myself and each remote facilitator/proctor have been resorting to vocal feedback when they are too old to scratch. -Mike Welker History Adjunct & Interim Coordinator, Distance Learning North Central State College Mansfield, Ohio [log in to unmask] 419.755.4706 "Remember, I'm pulling for you... we're all in this together. Keep your stick on the ice." -Red Green On Wed, Mar 3, 2010 at 9:19 AM, Gary D Lynne <[log in to unmask]> wrote: > Just wondering if anyone else has experienced "shelf-life" issues with the > IF AT forms. Had some 3-year old "gold flake" (in contrast to the "silver > flake" ) forms left over... so, with extremely limited teaching budgets, > tried to use them last night. I had not "tested" them for whether they > would scratch or not (who would have thought to do so??) ... they would > not scratch! The gold flake was "welded" to the form. So, had to go to > "Plan B" in the midst of the Exam... with several very disappointed > students, who really do like the IF AT scratch-off process... gaining more > points, as well as learning more, due to immediate feedback. (Not good for > student evaluations.. that the forms did not "scratch"). > > Now I am wondering about the "silver flake" forms... how long do they last? > I teach small classes (typically 50-something), so the large quantities the > IF AT supplier requires us to buy results in "stocks" of these things > sitting in my office for awhile. > > Any one else having trouble with the scratch-off forms? > > Gary D. Lynne, Professor > Department of Agricultural Economics and > School of Natural Resources > 103B Filley > University of Nebraska-Lincoln > Lincoln, NE 68583-0922 USA > Website: http://www.agecon.unl.edu/facultystaff/directory/lynne.html > Phone: 1-402-472-8281 Cell: 1-402-430-3100 > This message and any attachments are confidential, may contain privileged > information, and are intended solely for the recipient(s) named above. If > you are not the intended recipient, or a person responsible for delivery to > the named recipient, any review, distribution, dissemination or copying by > you is prohibited. If you have received this message in error, you should > notify the sender by return e-mail and delete the message from your computer > system and destroy any copies in any form. > > "We are always only one failed generational transfer of knowledge away from > darkest ignorance" (Herman Daly) > "We do not just have our own interests. We share interests with others. > Empathy ... exemplifies the implicit solidarity of human nature" (Robert > Solomon) > "Whoever frames the debate tends to win the debate" (George Lakoff)