Cap (IMAGE) Penn State Caption This is a view of the cap used to measure reaction to hearing language errors from native and non-native speakers. Listeners who could identify the non-native speakers native language did better than those that could not. Credit Kimberly Cartier Usage Restrictions Non-commercial use only License Licensed content 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.