Thanks for awesome postings above. My logic was essentially the same as what some of you guys wrote above, but instead of going lengthy, I just wrote the simple math formula: *Average age = sum (age of ppl)/ no. of ppl Pre: * increased from 52 to 57 Con: increase in no. of ppl whose age is over 65 w...

Hi Patrick, Just wanted to clarify your comments below. You wrote: "The social function of reinforcing good behavior only works if the benefactor knows the source of gratitude. THEREFORE You shouldn't express gratitude anonymously." To me, that conditional statement is interpreted as If th...