An instructor presented two paintings to a class. βββ ββββ ββββ βββ βββββ βββ ββββ ββ βββββββββββ βββββββ βββ βββ ββββββ βββ ββββββββ ββ ββ βββββββ ββββββββ ββββ βββββββ βββ βββββ βββββ ββββββββ βββ βββββββ ββββββββ ββββββββ βββ ββββββ βββ ββββββββββ βββββ βββββββββ βββ ββββ βββ βββββββββ ββ βββ ββββ βββββ ββ β βββββββββ ββββββ ββββ ββββ βββ ββββ ββββ βββ βββββ βββ ββββββββ ββ ββ βββββββ βββββββ βββ βββ ββββββ βββ ββββ ββ βββββββββββ ββββββββ ββ ββββ ββββββ ββββββββ ββββ ββββ βββ ββββββ ββββββββ βββ βββββββ
An instructor showed two paintings to two groups of classes. In the first class, the instructor claimed that the first painting was displayed in prestigious museums while the second painting was painted by an amateur. The students in the first class selected the first painting as the better painting. In the second class, the instructor claimed that the first painting was painted by an amateur while the second painting was displayed in prestigious museums. The students in the second class selected the second painting as the better painting.
At least some students were affected by the information they were told about the paintings when selecting which painting was better.
Analysis by AlbertGauthier
The statements above, if true, ββββ ββββββββ βββββββ βββββ βββ ββ βββ ββββββββββ
Most of the ββββββββ βββββ βββ ββββ βββ ββββ ββ βββ ββββ ββββ ββββββββ ββ ββββ ββββ ββββββββ ββ ββ βββββββ ββββββββ
None of the ββββββ ββββ βββ ββββββββββ ββββ βββββ βββ βββββββββ βββ βββββ
Each of the ββββββββ βββββ ββββ ββββ ββ βββ βββββββββ βββββββ ββ βββ βββββββββββ βββββββ
In judging the ββββββββββ ββββ ββ βββ ββββββββ ββββ ββββββββ ββ ββββ ββββ βββ ββββ ββββ βββββ βββ βββββββ ββ βββ ββββββββββ
Had the instructor βββββββββ βββ βββββββββ βββββββ βββββββ βββ ββββββββ ββββββββ βββββ βββββ ββββββ βββ ββ βββ ββββββββ βββββ ββββ ββββββ ββββ ββ ββ βββββββ βββββ ββ ββββββββ ββββββ