I found A level a bit of a drag as well, it was just memorising a mountain of studies (sample size, method etc) and producing really formulaic mini answers where I learnt it. I don't know if this is what you dislike as well? University is more about exploring topics in detail, you will obviously look at literature but you use it to understand a topic and build an argument rather than memorising how many participants someone had. Looking at smaller areas in more depth is much more interesting regardless of whether you like the topic or not! You will construct proper answers and essays rather than just regurgitating facts.