Final answer:
The 'Emotional' component is not one of the three components contained within an attitude. Attitudes consist of affective, behavioral, and cognitive components according to Rosenberg & Howland (1960).
Step-by-step explanation:
The component that is NOT one of the three contained within an attitude is d) Emotional. According to Rosenberg & Howland (1960), attitudes consist of three components which include: a) Affective (feelings), b) Behavioral (the effect of the attitude on behavior), and c) Cognitive (belief and knowledge). Therefore, the correct answer is d) Emotional, as it is not explicitly listed as a component of attitudes in their framework.