In differential research, the classification variable is the
A) Stimulus variable.
B) Response variable.
C) Independent variable.
D) Dependent variable.
Question 2
Which of the following is always used in differential research?
A) Random assignment of participants to groups
B) The Pearson r or the Spearman r
C) Random selection of participants to ensure a representative sample
D) Groups differentiated on the basis of preexisting variables