If you are a student that “knows” that his/her teacher usually has more True-False “questions” that are True (perhaps because certain experts say that that is what you should do), … and because of this you choose to answer “True” for every question (to make sure that you get more than half right), that may be Altruism by Ernie’s definition but is not true Altruism because you would not doing it out of concern for others but for yourself.
If you are a student that “knows” that his/her teacher usually has more True-False “questions” that are True (perhaps because certain experts say that that is what you should do), … and because of this you choose to answer “True” for every question (to make sure that you get more than half right), that may be Altruism by Ernie’s definition but is not true Altruism because you would not doing it out of concern for others but for yourself.