Cognitive psychology research suggests that three major factors influence how much and how well we learn: ability, prior knowledge, and motivation. Let's examine each of these in detail.
The capacity with which we were born that enables us to acquire new skills and knowledge varies among individuals. Just like height or musculature, we arrive on the scene with a certain mental (or learning) potential. It may be unfair but some of us are born taller, slimmer, more physically attract