Answers:

Edwin Locke, an American psychologist and a pioneer in goal-setting theory explains that specific and difficult goals lead to higher performance than easy goals. It also suggests that feedback and commitment lead to higher performance and bridges the gap between the actual and expected performance of individuals. It also suggests that for self-improvement, an individual should have SMART goals that is the goals that are specific (S), measurable (M), attainable (A), relevant (R) and time-bound (T).