Test Administration

Question 1

A well-known line of research in psychology has shown that data sometimes can be affected by what an experimenter expects to find. Robert _____ and his colleagues at Harvard University conducted many experiments on such expectancy effects, often called _____ effects.

Answer 1

Rosenthal

Question 2

One of the most common problems, the _____ effect, is the tendency to rate the same behavior differently when observations are repeated in the same context.

Answer 2

contrast