Where there is a restricted range of values for one of two variables being measured
a. the correlation coefficient will be close to +/- 1.0.
b. the correlation coefficient may be close to zero even if the two variables are related.
c. the correlation coefficient will be negative.
d. the correlation coefficient will be positive.
Question 2
A design in which a single group of participants is measured repeatedly before and after a treatment is a(n) _____ design.
a. experimental
b. correlational
c. single-group time-series
d. posttest-only