A Good Research Plan, According to Your Textbook, Includes

A good research plan, according to your textbook, includes:

A) specific procedures and data sources, but does not lock the researcher into an analysis plan.
B) initial procedures and key data sources, but is also open to modification as the project progresses.
C) a specific plan regarding data sources and analyses, although information regarding the specific research sample is best left open.
D) includes specific sampling plan, procedures, data sources, and analysis plan.