Sacks H, Schegloff EA, Jefferson G (1974) A simplest systematics for the organization of turn-taking for conversation. 50(4): 696-735. DOI:10.2307/412243
(http://www.cs.columbia.edu/~julia/cs4706/Sacks_et_al_1974.pdf)
Kendrick KH, Torreira F (2015) The timing and construction of preference: A quantitative study. Discourse Processes 52(4): 255-289. DOI: 10.1080/0163853X.2014.955997
(http://pubman.mpdl.mpg.de/pubman/item/escidoc:2052967/component/escidoc:2155858/Kendrick_Torreira_DP_2015.pdf)
Another one since making the video! – Bögels S, Kendrick KH, Levinson SC (2015). Never say no…How the brain interprets the pregnant pause in conversation. DOI: 10.1371/journal.pone.0145474 (http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0145474)
Frozen is copyright to Disney: Buck, C. & Lee, J. (2013). Frozen. San Jose: Disney Pixar.