In a research study, the dependent variable is A measured by the researcher(s).
B assumed to influence the other variables.
C)manipulated by the researcher.
D) involved in standardizing the meaning of concepts.
E involved in maintaining objectivity by avoiding bias.

*positive influencer*
I know that I’m supposed to answer your question or help you with it but I feel like positivity post are super important too. Sometimes school can be stressful and damaging to our mental health, I’m part of that too. School is stressful but don’t worry about it too much PUT YOUR MENTAL HEALTH FIRST. If school is going great for you then that’s amazing! If you’re getting good grades CONGRATS and I’m proud of you, keep up with the hard work! Even if your grades aren’t good just know that you’re trying and that’s okay. You’re only one person and can only balance so much. I hope all is well! Just know that your worth is very real and if you don’t notice how important you are you will eventually, everything takes time! You’re important and amazing I’m proud of you. (COMMENT SOMETHING THATS ON YOUR MIND IF NEEDED). I’m a student as well and I know how stressful all this can be so I figured I could take time out of my day to help others. You can report this if you want that is your decision but I hope you have a good day/night where ever you are. Xoxo, C

Ithink the answer is a and c.