18. You are asked to find out the impact of car crash on different parts of human body. You decided to use a dummy in a car and crash the car with different speeds and angles to observe the impact on different parts of the dummy. What type of research you will be doing? (1 Point) Correlational research Survey research Causal-comparative research Experimental research 19. You want to know how frequently (Never, rarely, sometimes, often, always) students use calculators for simple arithmetic calculations. You prepared a questionnaire for the students and collected the data for analysis. What type of research will you be doing? (2 points) Narrative research Experimental research Quantitative research Qualitative research Survey research