Jasmine quickly learned that she needed to use different techniques to calm her second child than those that had worked with her first child. this is an example of:

That is an example of sensory preconditioning.
sensory preconditioning. refers to the process of identifying two or more diefferent stimuli and develop a certain response that appropriate for each stimulus. In this particular case, the baby's crying is the stimuli and the calming down technique is the response.