Keep on smilingIntrapersonal variability: what to do with all that noiseThe aim of every psychological test is to come up with a score for certain intelligence or personality traits in people. However, all those…Mar 27, 2015Mar 27, 2015
Keep on smilinginPsyc 406–2015How valid are validity measures?The issue of validity is a complicated one — it defines whether a test measures what it is supposed to measure. Since there is no direct…Mar 13, 2015Mar 13, 2015
Keep on smiling“The only normal people are the ones you don’t know well” (anonymous)What is normality? Everyone who has taken a statistics class can draw a bell-shaped curve, put the mean in the middle, and maybe indicate…Feb 13, 2015Feb 13, 2015
Keep on smilinginPsyc 406–2015Where does the need to test people come from? And where will it lead us?The first standardized psychological tests were created in the context of selection: for instance selection of employees with the best…Feb 10, 2015Feb 10, 2015