Note: From What are your strengths & weaknesses, CompuSearch, 2019, https://www.compusearch.be/blog/what-are-your-strengths-weaknesses 

Note. From Reliability and validity, by Nevit Dilmen, 2012, Wikipedia (https://en.m.wikipedia.org/wiki/File:Reliability_and_validity.svg). CC BY-SA 3.0 DEED. 

Note. From alphabets wooden toy block by, PeakPx, 2016, (https://www.peakpx.com/403446/alphabets-wooden-toy-block). CC0 1.0 DEED.