12. In a study, were offered 3 types ofIn a study, were offered 3 types of
magazine subscription to 100 students:magazine subscription to 100 students:
web ($59), print ($125), print+web ($125).web ($59), print ($125), print+web ($125).
13. No one was taking the print only version,
so it was removed and the experiment repeated.
14. As a result lessAs a result less
print+web subscription were sold.print+web subscription were sold.
19. Researchers invited real experts andResearchers invited real experts and
undergraduate studentsundergraduate students
to appraise a home for sale.to appraise a home for sale.
20. The seller listed his house at different prices
and as a result both students and experts
made different evaluations.
21. The higher the priced listed,
the higher was the evaluation.