French-Speaking Puppet Displaying Anti-Social Behavior 2 (video) University of British Columbia Share Print E-Mail Loading video... Caption The researchers conducted six experiments involving 456 infants between the ages of eight months and 16 months. The experiments examined how quickly infants habituated to either familiar or unfamiliar language speakers performing prosocial (giving) behavior or antisocial (taking) behavior. Credit UBC department of psychology Usage Restrictions None 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.