Weight Expectations (image) Michigan Technological University Share Print E-Mail Caption Which can is heavier? Kevin Trewartha works in both cognitive science and kinesiology to better understand what's called the size-weight illusion. How the unconscious mind guesses weight may shed light on how people multitask. Credit Sarah Bird, Michigan Tech Usage Restrictions please credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.