Confidence in one's value as a human being is a precious psychological resource and generally a highly positive factor in life; it is correlated with achievement, good relationships, and satisfaction.

And positive leadership is one of the most vital factors within positive organizational psychology. Positive leaders are a key element for the optimal performance of individuals, groups ...

It's a bit simplistic, but you can think of the Rh factor as a protein that is either present (positive) or absent (negative) on red blood cells. Exact percentages vary with race, but most people ...