Heron, William Thomas2015-10-062015-10-061921https://hdl.handle.net/1808/18571Includes bibliographical references.This work is in the public domain according to U.S. copyright law and is available for users to copy, use, and redistribute in part or in whole. No known restrictions apply to the work.The reliability of the problem box as a method for measuring the learning ability of the ratThesisopenAccess