For years, Suzanne has always made it a point to read right before going to bed. Now, when Suzanne picks up a book and tries to read it in the middle of the day she finds her eyes starting to droop...

For years, Suzanne has always made it a point to read right before going to bed. Now, when Suzanne picks up a book and tries to read it in the middle of the day she finds her eyes starting to droop and she can not stay awake (this is especially bad if she is trying to read for her Learning and Behaviorism class!).



Is this an example of operant or respondent conditioning?