Don’t be tempted to analyse ordinal data like interval or ratio!
Ordinal scales are everywhere in psychology. From mood ratings to pain scales, they are one of the most prevalent tools in the field. They frequently appear in other domains e.g. medicine, education, etc. and most often appear as Likert scales. These scales require participants to give a score (along an increasing scale) in response to…
Brexit in graphs
This is a collection of graphs showing how people voted and other interesting statistics. Some you might not have seen and others you definitely will have. I’m not going to include every graph, especially the most common ones, as you will almost certainly have seen them. Please remember to take all the polls with a…
Good news everyone: Playing video games can result in a boost in brain volume
A recent study (Kuhn & Gallinat, in press) found that participants who played Super Mario 64 (an amazing game by the way) for 30 minutes a day for 2 months experienced a significant increase in gray matter volume in brain areas that control spatial awareness, memory, and strategic thinking. The specific areas that saw an…