An Educational Psychologist Is Interested in Finding Out Whether a New

Multiple Choice

An educational psychologist is interested in finding out whether a new instructional program is effective in teaching students a second language. She randomly assigns students to two groups. She trains one group with the program, and then compares the performance of this group with another group that does not get the program. This kind of study is best described as _____; it _____allow for a causal inference to be drawn.

A) a correlational study; does
B) a quasi-experiment; does not
C) naturalistic observation; does
D) a true experiment; may