This morning, I happened upon @mervatim's article describing "5 myths of personality tests." Unfortunately, it relies on old literature and selective misreadings of the newer findings on personality. In this thread, I debunk the mythbusting. 1/ washingtonpost.com/outlook/five-m… 1) Personality traits are about 50% heritable: emilkirkegaard.dk/en/wp-content/… In my course, I answer "nature or nurture?" with "yes"/ "How much?" "Half." However, this doesn't mean that personality is completely stable across the lifespan. 2/