Jenny watches her big brother climb from the couch to the coffee table, a behavior she has never attempted herself. the next day, jenny climbs up on the couch and then over to the coffee table. jenny's behavior is referred to as:

Jenny's  behavior is referred to as Deferred imitation.

When Deferred imitation is to see someone do some behavior or perform and you try to do the same act in the same way or manner but you can't do at this time so you do it later so it is called defer.
Example: like when a child sees his friend at the school speaks loudly with his teacher and he tries to do the same with his parents at home.