Subscription pricing
An instructor presented two paintings to a class. ███ ████ ████ ███ █████ ███ ████ ██ ███████████ ███████ ███ ███ ██████ ███ ████████ ██ ██ ███████ ████████ ████ ███████ ███ █████ █████ ████████ ███ ███████ ████████ ████████ ███ ██████ ███ ██████████ █████ █████████ ███ ████ ███ █████████ ██ ███ ████ █████ ██ █ █████████ ██████ ████ ████ ███ ████ ████ ███ █████ ███ ████████ ██ ██ ███████ ███████ ███ ███ ██████ ███ ████ ██ ███████████ ████████ ██ ████ ██████ ████████ ████ ████ ███ ██████ ████████ ███ ███████
Summary
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.
Strongly Supported Conclusions
At least some students were affected by the information they were told about the paintings when selecting which painting was better.
3.
The statements above, if true, ████ ████████ ███████ █████ ███ ██ ███ ██████████
a
Most of the ████████ █████ ███ ████ ███ ████ ██ ███ ████ ████ ████████ ██ ████ ████ ████████ ██ ██ ███████ ████████
b
None of the ██████ ████ ███ ██████████ ████ █████ ███ █████████ ███ █████
c
Each of the ████████ █████ ████ ████ ██ ███ █████████ ███████ ██ ███ ███████████ ███████
d
In judging the ██████████ ████ ██ ███ ████████ ████ ████████ ██ ████ ████ ███ ████ ████ █████ ███ ███████ ██ ███ ██████████
e
Had the instructor █████████ ███ █████████ ███████ ███████ ███ ████████ ████████ █████ █████ ██████ ███ ██ ███ ████████ █████ ████ ██████ ████ ██ ██ ███████ █████ ██ ████████ ██████