Answer the following statements true (T) or false (F)

1.One problem with the one-group pretest–posttest design is many other variables might be playing a part..
2.Control, for the purpose of experimental design, limits the movement of participants.
3.Control groups are not exposed to the experimental variable(s).
4.Random assignment assumes the probability of something occurring in one group is the same as the probability of it occurring in another group.
5.Factorial designs are experimental studies that manipulate two or more variables.

1.TRUE
2.FALSE
3.TRUE
4.TRUE
5.TRUE