The correct answer is:
Quantitative analysis and Qualitative analysis
Qualitative analysis is a research method which begins with more general open ended questions, moving towards greater precision as more information emerges.
Quantitative analysis assigns numerical values to the statements or observations, with the purpose of studying with statistical methods possible relationships between the variables and generalizing the results to a given population through sampling techniques.
Most historians regard Harding as the worst President in the nation's history. In the end, it was not his corrupt friends, but rather, Harding's own lack of vision that was most responsible for the tarnished legacy.
I believe the answer is Observations.
Mayan civilizations made architectural designs to use time and days.
I hope this helps!
