subject- business research and data analysis

Question 2 (2 points) A researcher observes shoppers in a public store from the master camera in a separate room, records observations against predetermined variables and takes field notes in the process. In terms of the dimensions of observations, outline the type of observational study correctly. E. Uncontrolled, participant , unstructured, concealed C. Uncontrolled, non-participant, unstructured, unconcealed D. Controlled, non-participant, structured, unconcealed B. Controlled, participant, unstructured, concealed A. Uncontrolled, non-participant, structured, concealed