Bergkvist and Rossiter devise single-item measures of A Ad and A Brand with the straightforward procedure of taking one item from a typical three-item measure of each of these two constructs.

• 然后他们用A广告的单维和多维的方法来为新品牌的四则印刷广告预测A品牌的单维和多维方法，这样就提供了检验的四个复本。