Cronbach's Alpha Explained: Formula, Worked Example, Python/R Code, and a Free Calculator

You built a survey with several questions that are supposed to measure the same thing (say, "job satisfaction" or "stats anxiety"). Before you average those items into one score, you should check that they actually hang together. That is what Cronbach's alpha does: it estimates the internal consistency of a multi-item scale. This post covers: What... Weiterlesen: Cronbach's Alpha Explained: Formula, Worked Example, Python/R Code, a…