It would be very interesting to perform the same experiment with, say, medical journals instead of economics journals.
The same test should be performed using a different type of journal.
It would be pointless to repeat the same experiment with a different subject.
There were a bunch of similar things
A woman eating an apple.
Field hockey is a sport that can cause it's players harm.
Is that a pretty nice doorknob?
A young person holds a baby with flowers on its head.
A man in a boat.