Answer:
postpositivist
Step-by-step explanation:
Of the all four options "post positivist" philosophical assumption are reflected in quantitative research designs
"post positivist" believes that, theory, hypothesis, background knowledge,believes and values of researchers can alter the actual observations. Post positivist consider both quantitative and qualitative methods to be a valid form of approaches unlike "positivist" which emphasize only on quantitative methods.
