Presenting participants with different versions of a videotaped confession in order to study a person's perception is an example of a(n) manipulation.

A)externally valid
B)learning
C)staged
D)straightforward

5elections for representatives to the u.s. house of representatives are held every two years. elections take place in november, and there is usually one republican candidate and one democratic candidate on the ballot. how are candidates chosen to appear on the ballot?

What was one of the main goals of european exploration

How much time on average do americans currently spend watching tv and videos per day?