Forget it! It's Too Hard To Measure

The Difficulty of Measuring PR Success

When we talk about measuring public relations, the first instinct is to look at the goal that was set at the start of a campaign. If the goal is achieved, the activity is a success. That idea has a certain logic, but it also hides a crucial flaw: it ignores the complexity of how people change their thoughts, feelings, and actions. Public relations is fundamentally about influencing perception, and perception is slippery. Unlike a sale or a sign‑up, which can be counted in dollars or clicks, a shift in perception requires proof that the right people actually felt differently, and that those feelings translated into behavior that benefits the organization.

Clients hire PR specialists for precisely that: to turn negative stories into positive ones, to rebuild trust after a crisis, to shape the narrative around a new product. The measure of success, therefore, is not merely the completion of a task but the alteration of opinions among key audiences. Those opinions, in turn, should lead to the desired actions - purchase, support, advocacy. If the campaign can demonstrate that it has successfully moved people to the target action, it has delivered on its promise. The challenge is that we rarely have a clear, objective way to prove that link.

Current measurement practices are heavily subjective. Analysts rely on a handful of metrics: the number of inquiries generated, the volume of story placements, the total number of impressions, or the estimated advertising value of earned media. Each of these can tell part of the story but none of them capture the nuanced journey from perception change to action. A high number of impressions might mean that many people saw a headline, but it says nothing about whether they understood it or if it altered their behavior. Inquiry generation counts the volume of contacts, but those contacts might be driven by curiosity rather than belief. Story content analysis offers insight into the themes circulating, yet it stops short of linking those themes to concrete outcomes.

Because the field lacks widely accepted standards, these metrics become open to interpretation. Two firms might report similar metrics but draw different conclusions about their campaign’s effectiveness. When stakeholders look for hard evidence of return on investment, they find an ambiguous mix of numbers that can be framed to fit any narrative.

Adding to the problem is the cost of reliable measurement. Conducting opinion research that can truly verify a change in perception and behavior often requires large, statistically representative surveys. These surveys can cost more than the PR campaign itself. In many cases, organizations decide that the expense outweighs the benefit and skip the research, relying instead on intuition or “winging it.” The result is a repeated cycle where campaigns are implemented without knowing whether they achieved their intended impact.

Some compare the situation to a space agency: NASA, faced with tight budgets, continuously finds creative ways to solve complex problems. PR professionals could learn from that mindset. If we can develop new, affordable tools that bridge the gap between perception data and behavioral outcomes, the field could move past the current state of guesswork. Until such tools exist, we must rely on the best approximations we have: tracking sentiment among target audiences, monitoring subsequent actions, and designing campaigns that are as direct as possible in moving people toward the desired behavior.

In short, measuring public relations success is tough because it hinges on proving that perception change leads to action. The tools we use now are blunt and expensive, and the cost of precise measurement often deters firms from pursuing it. To truly demonstrate value, PR must find a way to quantify those intangible shifts without breaking the bank.

Why We Still Need Better Measurement

Even with the frustrations outlined above, the demand for concrete evidence of PR impact has never been higher. Clients, investors, and senior leaders expect a clear return on every dollar spent. When they see a campaign that claims to have turned critics into supporters or to have softened a brand’s image, they want numbers that back those claims. The gap between expectation and reality is what fuels the push for better measurement.

One reason measurement remains elusive is the sheer breadth of the public’s media consumption. People now encounter brand messages across social platforms, podcasts, news sites, and word of mouth, each with its own way of shaping opinion. Traditional surveys can miss fleeting impressions that happen online or in casual conversations. Likewise, a single social media post can spark a viral discussion that changes a demographic’s perception overnight. Capturing such rapid, diffuse shifts demands tools that can monitor the pulse of public sentiment in real time.

Another obstacle is the high cost of longitudinal studies. To truly prove that a campaign changed behavior, one must measure the target audience before, during, and after the initiative. That means repeated surveys or tracking mechanisms over weeks or months. In practice, firms often settle for cross‑sectional data, which tells only part of the story. A better approach might involve smaller, targeted polls combined with digital analytics. For example, using micro‑surveys embedded in newsletters or leveraging web‑tracking to see if website visits rise after a press release. These methods can reduce costs while still offering a clearer link between messaging and action.

Collaboration across disciplines offers another promising path. Psychologists and sociologists bring a deep understanding of how attitudes form and shift. Data scientists can translate those insights into predictive models that anticipate which messages will resonate. Opinion researchers have refined techniques for measuring subtle changes in perception. By bringing these perspectives together, PR teams could craft hybrid methodologies - combining rapid sentiment analysis with validated psychometric scales - to generate robust evidence of impact.

Technology can also help. The rise of artificial intelligence allows for automated sentiment extraction from vast amounts of text, from news articles to social media comments. Machine‑learning models can detect patterns that indicate belief change, even when the language is ambiguous. Meanwhile, low‑cost survey platforms and crowd‑sourced panels enable frequent polling at a fraction of traditional costs. When these tools are applied thoughtfully, they can provide a more granular, timely view of how audiences are responding.

Beyond measurement, the way campaigns are designed can influence their assessability. If a PR initiative is built around specific, observable behaviors - like attending an event, signing a petition, or making a purchase - then the outcome is easier to track. Setting clear, measurable objectives from the start means the team can monitor progress in real time and adjust tactics if the desired behavior isn’t materializing. This iterative approach, coupled with real‑time data, moves the field toward evidence‑based practice rather than guesswork.

Ultimately, the need for better measurement isn’t just a theoretical concern; it’s a practical requirement for survival. As stakeholders become more data‑driven, firms that can prove the effectiveness of their PR strategies will stand out. Those that can’t risk being seen as fluff or marketing hype. The path forward is clear: invest in affordable, innovative measurement techniques that capture the full journey from perception to action, and embed those techniques into campaign planning from day one.

Bob Kelly is a seasoned public relations professional who consults for business, non‑profit, and association leaders on leveraging PR to achieve strategic goals. With a background that includes senior roles at Pepsi‑Co, Texaco, Olin Corp., Newport News Shipbuilding, the U.S. Department of the Interior, and the White House, he brings a breadth of experience across public and private sectors. He holds a Bachelor of Science in public relations from Columbia University. For insights or consultation, reach him at bobkelly@TNI.net or visit PR Commentary.