Groups of subjects that are not expected to differ in any systematic way before the independent variable is presented in an experiment are called ______ groups.
a. equal
b. equivalent
c. population
d. between-subjects
Question 2
The scores cluster around a measure of central tendency in a distribution, the _____ that
measure of central tendency represents the scores.
a. less; better
b. more; less
c. more; better
d. none of the above