The A-level results came out on August 13th. In the absence of exams, they were estimated from several data sources using a fairly intelligent algorithm. Results were well up on last year, yet there were such howls of anguish that the government was forced into a humiliating policy U-turn four days later. What on earth went wrong?
In retrospect, we can see the algorithmic approach was doomed from the start. Let’s walk through this, taking a Continue reading