What are Personas and Why Do They Matter? If you are a marketer, you know how important it is to understand your target audience. You want to know who they are, what they need, what they want, and how they behave. But how do you get this information? How do you create a clear and…

Imagine spending three weeks recruiting participants for a usability study of your mobile banking app. On test day, you discover that half of them have never used mobile banking. Two only bank in person. One signed up because the incentive looked good. The sessions still happen. The data still comes in. But none of it…

Imagine a country with a low literacy rate and a low average income. It feels natural to assume that every illiterate person there earns very little. But that assumption is wrong, and it has a name: the ecological fallacy. The ecological fallacy, sometimes called the population fallacy, is the error of applying a group-level finding…

Have you ever started something at the beginning of the year, month, or week feeling highly motivated? It could be anything: purchasing a gym membership in a burst of enthusiasm, only to lose your steam a few weeks later. Or maybe you pre-ordered a product or completed a survey feeling pumped about your purchase, only…