Updated: Jan 11, 2021
Positivity and Negativity are like two sides of a coin. While positivity motivates us to feel good and encouraged, negativity brings in resentment. Even though these feelings have their own effects, the impact we have through these feelings is different. If we receive the same intensity of positivity and negativity, even though we should perceive them with the same quantum, we behave otherwise because of what we call ‘Negativity Bias’.
As per Wikipedia, ‘Negativity bias’ and ‘Negativity effect’ is a notion that even when of equal intensity, things of a more negative nature (e.g. unpleasant thoughts, emotions, or social interactions; harmful/traumatic events) have a greater effect on one's psychological state and processes than neutral or positive things.