Although INFJs more frequently mistype as INFPs or INTJs, it’s not entirely uncommon for an INFJ to mistype as an ISFJ. This mistyping makes sense. ISFJs have Extroverted Feeling as their auxiliary function and Introverted Thinking as their tertiary function, the same as INFJs. ISFJs make up anywhere from 9-14 percent of the population, so INFJs who are focused on trying to fit in with the status quo or who grew up in…