Define the term "advertising effectiveness."

The term "advertising effectiveness" refers to how well an advertising campaign meets its specific goals and objectives. This can include measuring factors such as increased brand awareness, higher sales, improved customer engagement, or other desired outcomes that the advertising was aimed at achieving. Effectiveness is often assessed through various metrics and evaluations to determine if the campaign was able to successfully convey its message and prompt the desired action from the audience.

In contrast, simply measuring the total amount spent on an advertising campaign does not provide insight into how successful that expenditure was in achieving the desired results. Similarly, the average response rate, while quantifiable, does not encompass the broader scope of intended objectives. Finally, the subjective opinion of a campaign's success lacks the concrete metrics that define effectiveness, as it is based on personal interpretations rather than measurable outcomes. Therefore, the definition centered on achieving intended objectives captures the essence of advertising effectiveness accurately.