An extreme form of EPD can occur after a period of intense programming training, when the victim of the EPD applies his/her newly won knowledge on other areas in their lives, such as conversations with other people.
Not knowing whether or not a particular person takes floats or integers as input and whether you get a pointer-to-array-of-chars in return or a string object can be a real nuisance when you have to go find the man page for the individual in question.
Also, the decision to use either stdout or stderr can be a difficult one, especially under the influence of alcohol or other unknown substances.