Behavioral targeting, and the habit cycle.

http://www.nytimes.com/2012/02/19/magazine/shopping-habits.html

http://www.spring.org.uk/2010/11/the-battle-between-thoughts-and-emotions-in-persuasion.php

http://brainsbehavioranddesign.com/kit.html

A great source for thinking about what considerations you should include to make your project as impactful on its audience as possible.

http://education.calumet.purdue.edu/vockell/edPsybook/Edpsy5/edpsy5_intrinsic.htm

'Ingratiation is a strategic attempt to get someone to like you in order to obtain compliance with a request (Vaughan, & Hogg, 2008). Ingratiation is generally conceptualized as a variant of impression management tactics (Buss, Gomes, Higgins & Lauterbach, 1987).

http://en.wikipedia.org/wiki/Ingratiation

“Facebook use in its widely adopted form apparently rules out demanding players to access a specific application or site at a particular, shared time. This is the key difference of social, and to an extent of casual games, when compared to video games. Social games try to facilitate players' daily routines rather than the other way around: players do not need to reserve a specific time slot from their daily lives in order to play at all.”

http://www.gamasutra.com/view/feature/6177/the_state_of_social_in_social_games.php

http://www.littlespringsdesign.com/blog/2010/Mar/improving-the-starbucks-experience/

The scientist Stuart Kauffman calls this the “adjacent possible.” At any given moment in evolution—of life, of natural systems, or of cultural systems—there’s a space of possibility that surrounds any current configuration of things. Change happens when you take that configuration and arrange it in a new way. But there are limits to how much you can change in a single move

http://www.wired.com/magazine/2010/09/mf_kellyjohnson/all/1

101 patters for influencing behavior through design

http://www.danlockton.com/dwi/Download_the_cards

http://artofgamedesign.com/cards/lenses.htm