DevonDiver... there is a BIG difference. Back then you weren't OW certified until you had gone through the entire course up to and including basic Rescue. Today you need to take three courses to get to that point.
Peter: no question that certain things weren't taught back then. I never had a BCD until I was required to wear one on a Cousteau dive in 1989. It failed and the DM asked me what we should do. I told her I'd disconnect the damned thing and dive without it. She said "You can do that?" I replied "I have been for 28 years." We learned how to control buoyancy without a BCD... much more refined approach... although today I wouldn't think of diving without one! We had no dive computers, octos or SPGs back then so, of course, we weren't trained on them. However with today's diverse range of dive computers, how does one teach a student to use one when they are all so different. Without an SPG I think we learned to "better" manage our gas (at least in terms of avoiding situations where we might run OOA). Not much training required to use an SPG itself... but the diver needs to be trained to actually look at them with some frequency (a skill a number of OW divers apparently have not learned based on my observations). And I think we practiced better buddy skills back then because of the lack of modern safety devices. I wouldn't want to go back to the training of the 60s today with our modern equipment, but the OW training most agencies provide is minimal at best.
Peter: no question that certain things weren't taught back then. I never had a BCD until I was required to wear one on a Cousteau dive in 1989. It failed and the DM asked me what we should do. I told her I'd disconnect the damned thing and dive without it. She said "You can do that?" I replied "I have been for 28 years." We learned how to control buoyancy without a BCD... much more refined approach... although today I wouldn't think of diving without one! We had no dive computers, octos or SPGs back then so, of course, we weren't trained on them. However with today's diverse range of dive computers, how does one teach a student to use one when they are all so different. Without an SPG I think we learned to "better" manage our gas (at least in terms of avoiding situations where we might run OOA). Not much training required to use an SPG itself... but the diver needs to be trained to actually look at them with some frequency (a skill a number of OW divers apparently have not learned based on my observations). And I think we practiced better buddy skills back then because of the lack of modern safety devices. I wouldn't want to go back to the training of the 60s today with our modern equipment, but the OW training most agencies provide is minimal at best.