According to a Study by Saccuzzo, Kewley, Johnson, and Colleagues

Multiple Choice

According to a study by Saccuzzo, Kewley, Johnson, and colleagues (2003) ,

A) the various measures of positive affect are completely independent.
B) various measures of positive affect are best conceptualized as a single construct.
C) a large number of items is required to reliably and validly measure positive affect.
D) each measure of positive affect has a high level of unique variance.