1. What is a source of bias that might be present in the Shaw and Porter XXXXXXXXXXexperiment? 2. Now imagine that the results from the ice cream experiment showed that ratings were higher when real...

1. What is a source of bias that might be present in the Shaw and Porter (2015) experiment?

2. Now imagine that the results from the ice cream experiment showed that ratings were higher when real vanilla was used regardless of the proportion of chocolate chips. Would this represent an interaction? Why or why not?