Paper Prototyping.

Variation of usability testing where representative users perform realistic tasks by interacting with a paper version of the interface that is manipulated by a person 'playing computer,' who doesn't explain how the interface is intended to work.

Paper PrototypingA List ApartJanuary 23rd, 2017
Paper Prototyping: The 10-Minute Practical GuideUX PinJanuary 27th, 2016
Paper prototyping is a waste of timeGoogle VenturesMarch 25th, 2014
Paper Prototyping As A Usability Testing TechniqueUsability GeekJuly 23rd, 2012
7 myths about paper prototypingUser FocusDecember 6th, 2010
Paper Prototypes: Still Our FavoriteUIEMay 1st, 1998