I enjoy watching Achim's ISE videos and have learned some great tips from them.
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'The more that people watched others, the more they felt they could perform the same skill, too - even when their abilities hadn't actually changed for the better,' says Michael Kardas, a researcher at the University of Chicago Booth School of Business and author of the study published in the journal Psychological Science.
'Our findings suggest that merely watching others could cause people to attempt skills that they might not be ready or able to perform themselves,' he said.
Sorry to be the Debbie Downer. . . (actually not). . .
There was a study done about people watching a YouTube demonstration of a task vs. some equally naive taking on the task. . . https://journals.sagepub.com/doi/full/10.1177/0956797617740646
Short answer, watching the video had a negative effect:
I watched Steve Martin's YT videos which led me to his PAID internet training site. His videos are pretty great.
I have to say though, my biggest diving benefit comes from all my local dive buddies being certified cave divers and they are extremely generous with their time helping. My learning curve, diving weekly with these folks for 2 years has been steep.
Well, it is probably useful to consider the context of the research cited in the reference, to provide context for the short answer.There was a study done about people watching a YouTube demonstration of a task vs. some equally naive taking on the task. . . https://journals.sagepub.com/doi/full/10.1177/0956797617740646
Short answer, watching the video had a negative effect:
Alec Peirce's channel is great for newer divers. He does seem to have a bit of a bias against technical configurations and methodologies though, so I'd turn to GUE and ISE for anyone interested in more advanced diving, or recreational DIR practitioners.