In computer interface design, a unit of length, typically 0.005 inch, used to measure the movement of the computer pointing device called a mouse. From “Mickey Mouse,” the Disney character.

The mickey ratio is a dimensionless number, the ratio of the distance traveled on the screen, for example by a cursor, to the distance traveled by the mouse.

To apply the proposed concept to pointing tasks on the computer screen by mice, it is suggested that real-time gain (Mickey ratio) adjustment would be effective.

Sigeru Sato, Muneo Kitajima, and Yukio Fukui.
Basic Experimental Verification of Grasping Information Interface Concept, Grasping Force Increases in Precise Periods.
M.J. Smith, G. Salvendy (Eds.)
Human Interface and the Management of Information. Methods, Techniques and Tools in Information Design.
Human Interface 2007.
Lecture Notes in Computer Science, vol 4557.
Berlin, Heidelberg: Springer, 2007.
https://doi.org/10.1007/978-3-540-73345-4_22. Page 187.

A number of early 21st century reference works define the mickey, for example:

Ramesh Bania. Dictionary of Information Technology. New Delhi, Boston: Firewall Media, 2007. Page 405.

Paul Dickson. Slang: The Topical Dictionary of Americanisms. Bloomsbury Publishing USA, 2010. Page 84.

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