USA Basketball says
"3X3 BASKETBALL IS A GREAT WAY FOR COACHES AND PLAYERS TO EVALUATE AND IMPROVE ON INDIVIDUAL SKILL DEVELOPMENT. WITH A 12-SECOND SHOT CLOCK AND FASTER PACE OF PLAY, 3X3 BENEFITS PLAYERS’ MENTAL AND PHYSICAL GROWTH ON THE COURT."
elitehoopsbasketball.com says
"Our 3-On-3 League is designed to improve players’ overall game, while teaching the fundamentals and principles of offense and defense. Players will learn proper spacing and how to move without the basketball. Our 3-On-3 League will give players on average 147% more shots, moves, passes and possessions, compared to a typical one hour 5-on-5 game. "