Mental Rotation of Three-Dimensional Objects
Robert Shepard, Jacqueline Metzler 1971 Science v171 n3972 p701-703

This study shows that the time to recognize that two-dimensional perspective drawings portray a three-dimensional object increases linearly with the number of angular rotations required to portray the 3D object and reflects the time it takes to mentally process the rotation of the object.

This resource is referenced here:
Subject: Education
Resource Type: Pedagogic Resources:Research Results, Journal Article
Special Interest: Spatial Thinking
Research on Learning: Spatial Intelligence:3D, 3D:Rotation