Hannah has developed a scale for assessing social interaction among children with moderate to severe developmental disabilities. She decides to look at the interrelationships among the items in the test. Hannah is assessing reliability.

Lesli is driving her six year old daughter to ballet when another car cuts them off. lesli lets out a string of curse words at the driver. from out of the back seat, her six year old, robyn, repeats the vulgar phrase. why do you think that robyn has engaged in this behavior?