Brand loyalty can best be defined as?

Brand loyalty refers to the tendency of consumers to repeatedly purchase the same brand over time rather than switching to different brands. This behavior indicates a strong preference and emotional attachment to a particular brand, which can result from positive experiences, trust in the brand's quality, or a sense of identity associated with the brand. When consumers exhibit brand loyalty, they are likely to resist competing brands even in the face of lower prices or new product offerings, reinforcing the brand's market position and customer base.

In this context, the other options do not align with the concept of brand loyalty. Frequent switching between brands indicates a lack of loyalty and commitment. Consumer interest in new brands relates to the exploration of options rather than dedication to a specific brand. The effectiveness of marketing campaigns, while potentially influential in building brand loyalty, does not define what brand loyalty itself is.