Answer :
The change of heart between Ryan and Lindsay is best explained by a mere exposure.
What is a mere exposure?
This effect refers to individual's tendency to develop preferences for things simply because we are familiar with them.
That is why it is called the familiarity principle.
Therefore, the change of heart between Ryan and Lindsay is best explained by a mere exposure.
Read more about mere exposure
brainly.com/question/15735650
#SPJ1