The Thinking Behind The Tweet
When people believe they are lousy at certain actions they tend to do those actions poorly. Before that poor performance happens their motivation is on the weak side of centre.
When people believe they are skilled at certain actions they tend to do those actions well. Before that good performance happens their motivation is on the strong side of centre.
WOW - Really it ain't rocket science!
So, why is it so hard to get things done right in real life?