To score your best, get into 'player mode'
You don't play golf swing, you play golf. When you get to the course, forget about whatever swing key you just learned and concentrate on score: Focus on hitting the ball to a specific target on every swing. In addition, prepare for the round (dress appropriately, get your equipment ready, stretch, warm up with some swings and putts). Don't just tell yourself you're "going to play well today." Act like a champion -- and mean it. As the philosopher Sun Tzu wrote in The Art of War, most battles are won before they are ever fought.