Personality tests are widely used in hiring, with validity evidence drawn largely from low-stakes research settings. A 2025 meta-analysis finds that validity is consistently lower when the stakes are high and candidates have reason to present themselves strategically, raising questions about how well the published evidence base applies to real selection contexts.
Your digital footprint may reveal more about your personality than you realise. A 2024 meta-analysis of both human perception and machine learning studies finds meaningful but imperfect accuracy, with humans performing at least as well as algorithms on average.
What actually changes what people do? A comprehensive synthesis of meta-analyses finds that the most popular intervention strategies, targeting knowledge and attitudes, are the least effective. The approaches that work best are those that make desired behaviours easier to enact.
What personality traits do people who live to 100 tend to share? A Spanish study interviewing 19 centenarians found eight recurring characteristics, and several of them point toward something more actionable than genetics.
Could an AI infer your personality just from the way you write and speak? A 2023 study put the idea to a rigorous psychometric test. The results are more nuanced than either enthusiasts or sceptics might expect.
Intelligence and personality have long been treated as separate domains. A sweeping 2022 meta-analysis of over 160,000 participants finds they are more meaningfully connected than most research has suggested — but only if you know where to look.
Well there it is: another year down and another year to look forward to. This brings to an end this series on
For this month’s myth, the last on the topic of psychometrics, I have chosen a slightly different approach. I’m coming out in
New Zealand is a fantastic country. This statement will come as no surprise to many but it is often taken for granted
As a student of psychology, I was taught that meta-analysis exceeded all other forms of research. However, his view has been brought
