I had a teaching session last week with a total novice, retired neighbor and my son who fishes but not as successful as I am. So it was crappie 101 time. I see a lot of folks struggling on the docks and banks and will offer them some advice. I have fished for them for long time and usually ketch quite a few more than my buddy who owned the boat we would fish for them on. sometimes we would park over brush at the back end of folks docks and he would literally be right next to mine with similar jig and I would ketch one after another while he would only ketch a few. so I showed them how to stay in contact with your jig as it goes down so you feel instantly when a fish takes it or once you reach your level to hold it for few seconds and then slightly tic your line to give it action. Then if no bite you slowly raise your rod up and that often triggers the bite. My neighbor and my son had AHA moments after a bit and seeing me reel in fish after fish and the both "GOT IT" and they joined in the fun. Biggest thing is don't overthink it, it's really not that hard and always when in doubt set the hook!
But once we bought our cabin and started trying the local lakes we really struggled fishing off the rip rap as most of the locals did who were very successful ketchn. Finally I got tired of that and started talking to all of them and watching what they were doing. mostly they were bobber and 12 foot pole guys who knew where the brush was and they would slowly bring their baits right over them and tick the brush and that's when they would ketchm. One time I would try a pier and had a guy right next to me fishing with bobbers same depth and baits and he was ketchn one after other and I wasn't. then he moved to a dock and continued ketchn and I determined to go meet him and find out. I introduced myself and asked him why he was getting bit and I wasn't, he laughed and said oh you were getting lots of bites but crappie bit UP and your bobber was coming up and you didn't notice but he did. He was correct as most of us expect the bobber to go down or bounce. He and I became great friends and he has laid a LOT of knowledge on me and is my mentor and is like ketchn down in texas in the numbers and size he ketch's.
Now I have figured it out while fishing with him. mostly it's about touch and using hi vis line so that you see any tick at all and you simply raise your wrist and you will greatly increase your ketch. As he says hooksets are free and you don't have to dramatically raise your rod to do so and if it wasn't a fish it simply moves your jig up and down and often that triggers a strike.
Easiest method of ketchn tho is simply dragging your jig thru the water if your on top of brush or reeling it in slowly either tight line or under bobber. Crappie and other fish will then set the hook themselves and takes all the guesswork and feel out of equation.
Biggest thing is GO FISHING CAUSE IT"S GOOD FOR YA! A great man says all the time. Plus if you see someone ketchn while your not go over and stick your hand out and introduce yourself. Most good fisherfolk I know are generous with their knowledge and will give you tips that will help you. my biggest advantage is all the folks I know at my home lakes and I call them before going and get the latest intel.