<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Mosteller, Frederick</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">The Muddiest Point in the Lecture As A Feedback Device</style></title><secondary-title><style face="normal" font="default" size="100%">On Teaching and Learning: The Journal of the Harvard-Danforth Center</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1989</style></year><pub-dates><date><style  face="normal" font="default" size="100%">04/1989</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://isites.harvard.edu/fs/docs/icb.topic771890.files/OTL3-Mosteller-Muddiest.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">3</style></volume><section><style face="normal" font="default" size="100%">10</style></section></record></records></xml>