Observing the behavior of your dog at feeding time, you get some ideas about what may be causing the behavior. this is an example of getting research ideas from

Behaviorism

Explanation: Behaviorism is a current of psychology interested in how stimulus condition responses. There was an experiment with dogs, conducted by Pavlov where he made a bell ring everytime his dogs were going to be fed, resulting on them to salivate when the bell rang even though they hadn't seen the food yet.

This proves that a stimuli like a bell produces a response conditionated by previous exposure to such stimuli.