Mainly I am just really happy someone read my thesis! OMG! You spend so much time on it, you know? And then it gets buried! That’s my takeaway from this message.
No, just kidding. To answer your question I wrote U.S. America just because I thought that is how people wrote it in that kind of context. If you just say “America” or “American” teens you are also implying that it extends to Latin American teens, who I didn’t interview (though, if someone wanted to do a cross-cultural study with me how great would that be?). I think I wrote something something “teens in a generalized U.S. America” or something like that, with U.S. clarifying which America it was, I guess. I’m actually not sure what the proper APA style is (is there??) so if there is one let me know, though it’s too late now to fix it :/ The other thing is when you’re writing a thesis I think some things slip through just because you’re tired and more worried about the meat of the argument. The downside of having people read your thesis is that you go back and think “ugh I could have done this better.” And I agree with you that the phrasing is kind of awkward. LIFE!
Also, RE: your boyfriend, I totally get googling people! Do I ever! I make a life out of the internet so I am sure you found PLENTY of stuff on me (yeeee). Don’t worry, though, I am married to Cameron Frye and I signed a love contract. However it sounds like you guys have a good relationship anyway and you’re a cool person so I am not worried about you two. Love in the 10s!