Our research on the delay hypotheses (aka, the Sleeper Effect) won a Top Paper Award in the Mass Communication Division of NCA.
Jensen, J. D., Bernat, J. K., Wilson, K., & Goonwardene, J. (2009, November). Narrative persuasion and the sleeper effect: Further evidence that fictional narratives are more persuasive over time. Paper presented at the 95th annual meeting of the National Communication Association, Chicago, IL.
Note: This research was later published in Human Communication Research, and the focus of news coverage in the Boston Globe:
https://www.bostonglobe.com/opinion/2011/10/29/sleeper-effect/8qqpa5JAumgrlHStLXRN2L/story.html