Rod and frame test: Difference between revisions

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The Rod and Frame test is a [[psychophysical]] method of testing [[perception]]. It relies on the use of a rod and frame apparatus which uses a rotating rod set inside an individually rotatable drum, allowing an experimenter to vary the participant's frame of reference and thus test for their perception of vertical.
{{Multiple issues|{{lead missing|date=May 2014}}}}
 
==Rod and Frame Illusion==