ALL BUT WHICH of the following are true regarding correlation?
a) It measures the degree of the relationship between variables
b) Correlations are based on the covariance
c) Correlations are based on predictor weights
d) It forms the basis for almost all predictive designs
Question 2
The effect of two treatments can be observed across a single group in
a) crossover design
b) Latin square design
c) split plot design
d) all research designs