A new teaching method is being tested on students. Three age groups of students will receive either the new method or a standard (control) method. If the new method is only effective on the youngest age group of students, you would say that there is _____between the effects of the teaching method and the effects of age.
A) no relationship
B) an interaction
C) a partial effect
D) a control effect
Question 2
In a 2 x 2 factorial group design, there are
A) two treatment groups.
B) two independent variables and two dependent variables.
C) two independent variables.
D) two dependent variables.