I personally believe that the answer is B
Developing a good research question is one of the first critical steps in the research process. A well written research question will guide the research project and assist in the construction of a logical argument.
An example of well written research question with at least three supporting details/factors could be:
"What are the effects of intervention programs in the elementary schools on the rate of childhood obesity among 3rd - 6th grade students?"
It can be seen here several factors that will guide the research without making it too narrow, defining exactly what, where and who should be studied.
The warden in the book Holes is a tall, red-haired lady who has freckles on her face and her arms. She wears a black cowboy hat, and she also wears a turquoise-studded, black cowboy boots.
Answer:this is a personalized essay, I can’t help you with it, I need more information on the project itself
Explanation:
No there are no more than 20 categories of bias