Cite
MLA Citation
Jennifer Christie Siemens et al.. “Level Up! The Role of Progress Feedback Type for Encouraging Intrinsic Motivation and Positive Brand Attitudes in Public versus Private Gaming Contexts.” Journal of interactive marketing, vol. 32, no. 1, 2015, pp. 1–12. http://access.bl.uk/ark:/81055/vdc_100145978116.0x000006