Spending time researching quiet eye, attentional focus and sports related decisioning making, leads to some interesting insights.
The number of strokes is not the issue when measuring successful performance. Best expert results are recorded in the prediction part of the brain. Del Hill, an elite snooker coach to several world champions has some videos made by a student on YouTube. During a section on the stroke he advised to be decisive. His base suggestion was a couple of strokes, stop and pause before the shot, then shoot. The student a bit later did a single stroke, paused then pocketed the relatively easy shot. Del indicated that he saw what happened. He said that since the brain was able to see a successful execution after the single preliminary it decided to shoot. Del was in full agreement. That element of prediction is confirmed in EEG and fMRI results from sports research.
Most players are successful on short shots near the hole. This is about the individual player not instructors. Unless a player is novice he probably has developed some predictable skills with natural timing. Starting from the simple successful shots a player should challenge himself at the edge of his expertise. When shots that once challenged you can now be handled with authority, you will feel the rhythm best suited to you.
Personally I think stopping myself and starting over is one of the hardest skills I work on. That skill involves using the prediction formula. Taking aim needs to be done while standing. I need to approach the aim line by stepping forward to the shot. I put my foot on the target line. As I get down the cue and cueing arm need to align on the target line. Holding it on line the rest of my body moves into position.
Settling into place my eyes move from the cue ball to the target area. Meanwhile my eyes come back to my moving cue. If the cue is not running straight, I need to get up, not fiddle in place. If it is moving straight; would the ball traveling on that line, pocket the ball? If not, I’m misaligned, start over. If I’m aligned and cueing straight, I stop, find my target and shoot. Experts at this point are usually not aware of where they are looking and many say they really don’t care. Brain scans show that during the shot, in various sports they really aren’t visually focused on anything. The looking part is over. Many pros during exhibitions close their eyes and look away while executing shots.
Quiet eye is about where the focus is prior to the shot, not during. That final gaze at the target location is highly focused and in my estimation experts are predicting the outcome. In experts the final gaze is longer than less skilled. We’re likely taking about 100-200ms. In other words longer by just a part of a second. The more certain they feel the more the stroke flows just like with a sitter. Think about the sitter. You line up, feel success with certainty, then simply shoot. My stroke there is a single, separate deliberate, positive stroke with no hesitation. What is yours? It’s a template for what you need to do. Maybe a harder shot needs one more preliminary stroke or two to gather your focus, but the final stroke should be positively focused with a predictable result in mind.
I shoot when my expectation is a predictably positive result. If not, I have to choose another option or start over. Make decisions when standing up. If you change your mind when down get up and start over. Only get down and shoot when you are wholly committed to the shot.
Many players like Joshua Filler and Jayson Shaw find the target and certainty in their alignment quickly allowing them to shoot with authority. Use your sense of certainty to dictate when to shoot. The center line of my body is where I experience certainty. An off center feel means something isn’t quite right. I start over if that centered sense of certainty is missing.
Getting focused on technique instead of on achieving a result can be a mistake. Get focused on the shot. Make the ball, get the shape, repeat. A straight stroke helps.