It is a fragment because it doesn't make sense on its en. Its a subordinate clause.
“This could use more explanation/length.”
Guidance means to lead and advise someone or teach them or to walk them through something, whether it be a place or idea. If a child needed help crossing the street, the parent would provide guidance and get them to the other side of the street by holding their hand and watching for cars. The child wouldn't be able to do it them self because they don't know how to watch for cars or when it is safe to go.
It should be bias
Explanation:
It makes more sense than to put biased