I already do this (MBTI always puts me at like 90% introvert), but it's kind of funny to see this coming on the heels of last week's WSJ "why are Millennials so phone-phobic??" article.
The first rule of avoiding scam calls is to never answer unknown numbers, and even some known ones.
Curious? Bored? Worried it’s an emergency? Wait the extra minute it takes for the call to go to voice mail, then decide if it’s legitimate.