Simple reaction time : It is not

JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact [email protected]. University of Illinois Press is collaborating with JSTOR to digitize, preserve and extend access to The American Journal of Psychology.