Negativity bias is the tendency to reject the unknown. this was helpful eons ago when we were hunting on the savannahs of Africa but now not nearly as much. In ancient times it was safer to reject than accept, it was a percentages game. with civilization, science and a better developed prefrontal cortex we are more capable of making decisions based on facts not bias. Confirmation Bias is the tendency to more often accept the answer that agrees with our current position rather