Every time tanya leaves 2-year-old timmy at day care, timmy cries. tanya always hands timmy to the same teacher. she notices that timmy now starts to cry when he sees this teacher from a distance. this is an example of

This is an example of classical conditioning. This is a learning procedure that had a major impact in one of the schools of thought which is behaviorism. This happens when two stimuli are frequently paired; this is an answer provoked by the second stimulus that is eventually provoked by the first stimulus alone.