Category Archives: digressions

Naming measurement instruments

Although name Trikon reflects its owner’s triangularity, Glopnik sounds way better.

When I first started studying psychology, I believed that the labels attached to psychological scales are trustworthy. Under this impression, I employed the scales based on what their names claimed to measure. Little did I know the labels and the content of scales are not (directly) related. Since then I lost my belief in scale names and simply skip to the items to get at least some idea of what it might be measuring.

Jangle happens 

Jingle-jangle fallacy has been raised so many times by this moment. To give a heads-up: jingle happens when you mistakenly buy an almond milk instead of a normal milk: both are named “milk” but have almost nothing to do with each other. Jangle happens when you order aubergine at a restaurant but they serve you eggplants—different names, same vegetable.

Imagine you are trying to test criterion validity of your new Eggplant scale using an allegedly different Aubergine scale. How frustrating it is to realize that it’s the same thing and your attempt to prove validity generally fails because of that.

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