1 School Psychologist: Master's degree (2 to 3 years of graduate school) 2  Social Psychologist: Doctoral Degree (5 to 7 years of graduate school) 3  Child Psychologist: Doctoral degree (5 to 7 years of graduate school)  Criminal Psychologist: Master's degree (2 to 3 years of graduate school); a doctoral degree is recommended.
From other distances, the strokes gained or lost are typically fractional. For example, suppose a golfer one-putts from eight feet. The Tour average from that distance is 1.5, so a one-putt gains 0.5 strokes, but a two-putt loses 0.5 strokes.
The new strokes gained-putting stat measures the number of putts a golfer takes relative to the PGA Tour average, taking into account the initial putt distance on each green. In 2010 Luke Donald led the Tour with 0.871 strokes gained. That means in each round, he gained an average of 0.871 strokes on the field just from his superior putting ability. Here's how the stat is computed. Suppose, for example, a golfer one-putts from 33 feet. The Tour average to hole-out from that distance is 2.0 putts, so a one-putt gains one putt on the field.