The Interview Performance Gap

How can you test your sales candidates to build the highest-performing team?

Trust in hiring is eroding, and, because sales leaders are the frontline of many organizations, they in particular are feeling this acutely.

Nearly half of job seekers say their trust in recruitment has declined over the past year. At the same time, 23% of organizations report identity fraud among new hires, and Gartner predicts that, by 2028, 1 in 4 candidate profiles globally will be fake. Add in AI-generated interview answers, deepfakes, and increasingly polished candidate narratives, and the traditional signals used to assess talent are under pressure.

For sales leaders, this creates an issue deeper than candidate quality – it raises a fundamental question about reliability. When deals are larger, that makes sales cycles longer, buyers more skeptical, and complex products more often mis-sold.

In other words, the cost of a bad hire has never been higher. Yet many organizations are still relying on interviews, resumes, and credentials to make decisions. The problem is not that these methods are new – it is that they were never designed for an environment where it is so easy to appear capable.

The Gap Between Perception and Performance

A strong interview used to be a relatively reliable indicator of a salesperson’s potential. Today, it is increasingly easy for candidates to rehearse, refine, and supplement their responses using AI. What they present in conversation can be accurate, partially accurate, or entirely constructed, and it is often difficult to distinguish between them.

That creates a measurable gap between how candidates perform in the interview process and how they perform in front of a customer.

Unfortunately, because sales roles are inherently performance-driven, this gap can have significant commercial consequences. A hire who cannot demonstrate capability in practice will slow pipeline progression, increase dependency on other team members, and reduce overall team productivity. Deal velocity, forecast accuracy, and revenue outcomes will all take a hit.

Instead of focusing solely on what a candidate may say they’ll do in a situation, allow them to demonstrate it. Past experience, credentials, certifications, and even peer or manager feedback can all be useful signals of someone’s potential; however, to truly know if they are able to do the work, they need to prove it first-hand.

Shifting Toward Observable Performance

Leading sales organizations are beginning to address this by changing how they evaluate candidates. Candidates are set scenario-based assessments that mimic real selling situations. These can range from structured role play to more immersive, hands-on environments that mirror the product, customer context, and challenges a seller will face on the job.

Role play remains a valuable tool, particularly for assessing communication skills, adaptability and how candidates engage with buyers. However – especially across large hiring pipelines – it can be difficult to standardize and scale.

More immersive approaches such as virtual or augmented reality, simulations, and hands-on labs allow organizations to go a step further by tailoring scenarios to their own products and sales processes. Candidates can be assessed on how they navigate a realistic use case, present value, respond to complexity, and adapt their approach. The outcome is less subjective. It produces performance data that shows how individuals operate in context.

From Hiring to Performance

The benefits of focusing on performance extend beyond recruitment. The same environments used to assess candidates can be used to onboard new hires, train existing teams, and enable partners. That continuity creates a consistent foundation for performance across your organization.

In a hiring landscape where traditional signals are becoming less reliable, sales leaders need to focus on what can be directly observed and measured. Interviews will continue to play a role, but they are no longer sufficient on their own.

Ultimately, sales is defined by execution.

The organizations that adapt their hiring processes accordingly will make better decisions, build stronger teams, and create a clearer link between hiring and revenue performance.

Mark Mangelson is president and chief revenue officer at Skillable.