Job interviews are a weird business, and anyone who has sat on either side of the table knows the hiring process is often biased, arbitrary, and barely predictive of success. A recent opinion piece highlighted how interviewers decide in minutes—sometimes based on little more than vibes—and how being a good interviewee has little to do with being a good employee. So what’s the alternative?
Why Job Interviews Are So Unreliable
Research shows that unstructured interviews are among the worst predictors of job performance. A 2015 study found that 25% of interviewers decide within five minutes and 60% within 15 minutes. That means most of the interview is just confirmation bias in action. Add in arbitrary criteria—like whether you brought iced coffee or wore the right trousers—and you have a recipe for hiring mistakes.
Worse, the process often rewards confidence over competence. Charismatic candidates who monologue wildly can get offers, while qualified people who stumble under pressure get rejected. As the article notes, you could bring a live weasel to an interview and still get the job if the interviewer likes the look of you.
The Problem with Assessment Centres
If traditional interviews are bad, the alternative—assessment centres with group exercises, Lego towers, and endless tests—is often worse. These Hunger Games–style ordeals measure how well you perform under artificial pressure, not how well you’ll do the actual job. Building Lego towers with strangers is no test of anything meaningful.
Better Alternatives to the Traditional Job Interview
So what actually works? Industrial-organizational psychologists recommend a combination of structured interviews, work samples, and cognitive ability tests. Structured interviews use the same questions for all candidates, scored against a rubric. Work samples let candidates demonstrate real skills. Together, they predict job performance far better than a casual chat.
| Method | Predictive Validity | Bias Risk |
|---|---|---|
| Unstructured interview | Low (0.20) | High |
| Structured interview | Moderate (0.51) | Low |
| Work sample | High (0.54) | Low |
| Cognitive ability test | High (0.65) | Moderate |
- Structured interviews reduce bias and improve fairness.
- Work samples directly measure job-relevant skills.
- Blind reviews of resumes can minimize initial bias.
- Multiple interviewers and consensus decisions help avoid snap judgments.
How to Make Interviews Less Weird
Companies can start by standardizing questions, training interviewers on bias, and using work samples for key roles. Candidates can also benefit: prepare stories that demonstrate real impact, and don’t stress over arbitrary social norms like what to drink. The goal is to shift from a vibe check to a valid assessment.
FAQ
Are job interviews a good way to predict job performance?
Unstructured job interviews are poor predictors of job performance, with validity coefficients around 0.20. Structured interviews and work samples are much more reliable.
What is a structured interview?
A structured interview uses a standardized set of questions asked to all candidates, with responses scored against a predetermined rubric. This reduces bias and improves fairness.
What are better alternatives to traditional interviews?
Better alternatives include work samples, cognitive ability tests, and structured interviews. These methods have higher predictive validity and lower bias than unstructured interviews.
Job interviews don’t have to be a weird, biased business. By adopting evidence-based hiring practices, companies can find better employees and candidates can be judged on what actually matters.