Nu.nl (the most popular Dutch news site) heads: “Warmest October 22nd ever”. At the same time, the comments speak about the insignificance of the headline as the 23rd of October 2003, for instance, the Netherlands saw a record cold temperature and we had snow. Is something really going on now as suggested by the heading, or is this just ballyhoo? Of course you also see this happening in organizations. We proudly announce something has been significantly improved but if we look closer, we see that the data that is being compared has been picked very selectively. Or after a few weeks or months, it turns out that the so-called improvements were apparently not so sustainable. Most companies lack the basic competency of interpreting data it seems. (more…)