Alternative to deductive approach is inductive approach. Yes or no or the level of treatment eg hours per day in the program. Causal Research By Pitts Wendell1 The profusion of use and multifariousness of meaning of the word positivism results in a need for any essay on the subject to first give its own precise definition for its use of the term distinguishing its particular context from its use in other. . Survey research correlational research experimental research and causal-comparative research. When you need to use one method to inform another. Experimental research is a quantitative research method with a scientific approach where a set of variables are kept constant while the other set of variables are being measured as the subject of an experiment. Alberto Abadie in Encyclopedia of Social Measurement 2005. Tariffs are among the most widely used instruments of. If this is also happening to you you can message us at ...