Today's guest blogger is Allison Tyson of Born to Swim, and author of the Learn to Swim the Australian Way Series Swimming learning, like any other learning, is a sequential process of steps and 'forms'. Failure... can be demotivating in learn-to-swim and have lifelong negative consequences in terms of self-efficacy and choice of leisure and or sports activities (e.g., Peden & Franklin, 2020). Allison's most recent post reiterates the critical importance of children having positive aquatic experiences when learning to swim.
... This is how I feel about teaching when it comes to swimming. Like 'bad Math', allowing a beginner swimmer to continuously practice 'bad technique' only reinforces more 'bad technique'. This slows the learn to swim journey down considerably (that's your time & money) and causes more harm further along in their journey when more complex skill acquisition is required of them.