The correct answer is identifying your audience.
The first thing you need to think about when starting your writing is your audience - the people you are writing for and want to read your work. Based on your audience, you will know whether you need to be more or less formal, you will decide on your language and choice of words, your tone, topic, etc.
A disorganized ... good luck!
It is not a thesis statement because it does not show your opinion on the research you would be conducting. In a research paper you would either try to confirm that they are not an indicator, or that they are an indicator. You wouldn't write a question such as this.
