Audience and purpose
Register (in this context) means level of formality. Academic writing should be formal without being pompous. It should also be geared to its intended audience.
Either * personal, individual way of writing - or* level of formality
Dignity as it is expressed in technical writing will not have the same definition s the word dignity as it normally appears. Dignity in technical writing refers to the formality of the writing.
In your essay, replace "I" with "the author" or "the researcher" to enhance clarity and formality.
identifying your audience
No one should dictate religion.
In an essay, the pronoun "one" can be used to replace "we" in order to improve clarity and formality.
I dictated while everyone was writing down my poem.
The topic itself will dictate where the most leverage should occur.
style
literary style
"Should not" is the full form, while "shouldn't" is its contraction. Both convey the same meaning, indicating that something is not advisable or appropriate. The choice between them often depends on the formality of the context; "should not" may be preferred in formal writing, while "shouldn't" is more common in casual speech.