Edna loves the sweet tea served at mcdonald's. whenever she sees the famous “golden arches,” she drives right in and orders a cup of sweet tea. this best illustrates the effect of on her eating behavior.

   Learned associations

Explanation:  A learned association is a psychological link between certain learned mental patterns and experiences. These learned mental patterns reflect a particular behavior in relation to the experience which encourages, that is, stimulates such behavior. So there is a link between stimulus, the source that encourages us to react, and a consequence, reaction as a form of behavior.

answer; genetics;