The Science of Human Behavior, Measured.
Giorgi Tchumburidze “How many participants do I need?” It’s probably the single most common question students and early-career researchers ask me when they’re designing a study. And it’s a fair question, you can’t conduct research without knowing how much data to collect. But the honest answer is rarely the one people want to hear. The short version: … Read more
If you studied psychology in Georgia, or in most of the world, really, you learned statistics through SPSS. You opened the data, you clicked through menus, you got tidy output tables, and you wrote up your results. SPSS has been the default statistical software in psychology departments for decades, and that legacy runs deep. But … Read more
If you teach, you give tests. Quizzes, midterms, finals, classroom assessments. They’re a core part of how we measure what students have learned. But here’s a question most teachers never ask: how good are your tests, actually? Most assessment in education is built on intuition. A teacher writes questions that seem fair, grades the results, … Read more
If you do research that involves collecting data from human participants, and most psychology research does, you need a survey platform. Most people default to Google Forms because it’s free and familiar. Some go to commercial tools like Qualtrics or SurveyMonkey because their institution pays for them. A few build custom solutions in code. I … Read more
Imagine I bring a bathroom scale into the room and tell you it measures height. You’d laugh. The instrument is wrong for the construct. It doesn’t matter how precise the scale is, how consistent its readings are, or how trustworthy the brand is, if I’m using it to measure height, I’m wrong. Now imagine I … Read more
Imagine you’re a researcher in Tbilisi. You’ve designed a study, collected your data, run your analyses, and you’re ready to write up your findings. You go to read the latest literature on your topic – and you can’t. The paper you need is paywalled. Your university doesn’t have a subscription to that journal. The article … Read more
If you’ve ever taken a personality quiz online – one of those “Which Harry Potter character are you?” tests, or a viral “What does your favorite color say about you?” quiz – you’ve engaged with something that looks like psychological assessment but isn’t. These quizzes are entertainment. They have no scientific basis, no validated psychometric … Read more
For most of its history, psychology has been a discipline of explanation. We observe behavior, we build theories, we try to understand why people think, feel, and act the way they do. And that work matters enormously – it always will. But something is changing. Quietly, and then not so quietly, psychology is becoming a … Read more
Welcome – and thank you for visiting Psycholo.ge. This site is something I’ve wanted to build for a long time: a dedicated space where psychometrics, research methodology, and the psychology of the digital world come together. After years of working in educational assessment and teaching at the university level, I felt it was time to … Read more