Ability, level of motivation, and opportunity are all important determinants of performance. However, deficiencies in one factor may be offset by the others.

According to the text, which of the following organizations was recognized as the largest global research firm based on global research revenues?

A) IMS Health Inc. B) Arbitron Inc. C) Nielsen D) Synovate E) GfK SE

A(n) ________ is one of two types of scaling techniques in which each stimulus object is scaled independently of the others

A) random scale B) nonrandom scale C) comparative scale D) noncomparative scale E) independence scale