Which of the following is NOT a requirement for effective segmentation?

Effective segmentation in marketing involves breaking a larger market into smaller, more manageable sub-groups of consumers who share common characteristics. Each requirement for effective segmentation contributes to the overall success of reaching and responding to distinct market segments.

Measurable size is crucial because it allows marketers to assess the potential of a segment, ensuring that it can provide sufficient business opportunities. Accessibility is also important, as it determines whether a company can effectively reach and serve the targeted segment. Homogeneous needs are essential because effective segments should have similar responses to marketing mixes, allowing the company to tailor strategies specifically for that group.

While accountability is a valuable trait in marketing strategies, it is not a fundamental requirement for effective segmentation. The primary requirements focus more on tangible aspects of the segments, such as size, accessibility, and need homogeneity. Thus, accountability, while supportive in a broader marketing context, does not directly influence the basic criteria for determining effective market segmentation.