Non-parametric Tests Unfortunately, it’s the first time that I learnt that Likert scale cannot be used together with t-test. According to my favorite Stat Wiki by Prof. Koji Yatani, Roughly speaking, there are two cases in which you want to use non-parametric test: Ordinal data: If your data are ordinal (like the results from Likert-scale…
ACM UIST 2015 Summary from AR / VR Perspective
It was a great pleasure to attend the ACM UIST 2015 conference at Charlotte, NC for the first time. First, let me explain my initial motivation to UIST (skip this if you felt boring 🙂 I just keep it as a memory. The first time I learnt about HCI is when I was conducting a student research project, EyeControl, in…
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