Interview anxiety is associated with lower interview performance. In their 2018 meta-analysis, Deborah Powell, David Stanley and Kayla Brown found an overall correlation of −0.19 between self-reported interview anxiety and interview performance. That is not a percentage of candidates being assessed incorrectly, but it is a reason to pause and consider what your conversation actually reveals.
You have probably seen it: someone struggles to find the words, gives brief answers and only starts to relax as the interview ends. You might note that the candidate was not particularly convincing. That can be a relevant observation, but it does not yet tell you whether they would struggle with everyday work. A job interview is a particular situation, involving unfamiliar people and quite a lot at stake.
What the research does and does not tell us
Powell, Stanley and Brown examined the association between interview anxiety and interview performance. That association varied with factors including the approach used to measure anxiety and the type of interview. The research therefore provides no universal rule for calculating an adjustment for every nervous candidate.
Nor does it prove that nervous candidates make better employees, or that stress is never relevant to a role. The outcome concerns interview performance, not future job performance directly. This distinction matters: a weaker conversation tells you something about that conversation, but does not automatically give you a complete picture of someone’s capabilities.
For a role that frequently involves speaking to unfamiliar people under pressure, such a situation may offer useful points to explore. Still, you need to ask whether your interview pressure resembles the pressure of that job. An unexpected trick question in front of three assessors is not necessarily equivalent to a difficult customer conversation where someone knows the context and available tools.
Make the rules visible
A candidate-friendly process does not have to lack rigour. You can set clear expectations while reducing unnecessary uncertainty. The following choices are practical design suggestions, not a proven recipe for eliminating the association found in the research.
Provide context beforehand. Explain how long the interview takes, who will attend and which topics or tasks it covers. Candidates then need to spend less energy guessing the rules.
Allow thinking time. A brief pause or a clarifying question can be part of careful working. Agree beforehand how you will handle this, rather than spontaneously interpreting every silence as a weakness.
Assess against the role. Record which specific answer or behaviour was relevant to the job. Keep your impression of visible nervousness separate from the content you are trying to assess.
Use more than one window
If you rely on a conversation alone, you mainly see the candidate under the conditions of that conversation. A relevant task or behavioural observation can add another window. This does not mean every extra test is useful: the activity must connect to the role and justify the additional effort required of candidates.
A game-based assessment is not automatically stress-free or fairer either. Unfamiliar mechanics, time pressure or unclear instructions can introduce new barriers. Provide clear explanations, an opportunity to practise and appropriate support. Do not draw conclusions about abilities the activity was not designed to measure.
At Assess4me, we aim to complement conversations with observations of how candidates make choices, approach problems and adapt within a bounded game experience. Those observations provide starting points for focused follow-up questions. We do not treat them as an automatic verdict on who gets hired, or as proof that anxiety has disappeared from the process.
Perhaps the most useful follow-up question is simple: what conditions helped this candidate show what they can do? When different observations do not align, that is a reason to ask more questions. You are looking for a better-informed conversation, not a competition in looking relaxed.
Source: Powell, D. M., Stanley, D. J. & Brown, K. N. (2018). Meta-Analysis of the Relation Between Interview Anxiety and Interview Performance. Canadian Journal of Behavioural Science, 50(4), 195–207. https://doi.org/10.1037/cbs0000108