Jack is an infant who loves to play peek-a-boo with his father. he seems amazed that his father "reappears" after hiding his face behind his hands. jack probably enjoys peek-a-boo because he does not yet understand:

Kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense