These are mental hiccups that block your reader from getting to the point. You are writing the paper, so obviously each sentence tells what you think. You can improve your prose by cutting adverbs. This rule is often very clearly, evidently, and completely true. Pick the more accurate one and omit the other.
Writers often try to look smart by using big words.
Remember that clear communication is your goal. Avoid the passive voice . Historians' job is to call people on this, even if they are dead. Sometimes the passive voice is appropriate. Learn to edit by ear.