Scientific research is a process that aims to approach reality and to discover the truth by using scientific methods to seek the causes and laws that regulate the course of evolution of a phenomenon or a group of phenomena. The main and basic purpose of a scientific research is to answer critical questions through the application of scientific methods. Scientific research tries to answer questions and problems based only on what it can be verified through empirical reality and factual knowledge. The sub objective of scientific research is to search and discover through concrete empirical data, all the related problems concerning the central issue which is studied. In other words, all types of scientific research try to discover general principles …show more content…
Actually, there are seven main guiding ethical principles of conduct a research and they can become a guide for each researcher. These principles are 1) the respect for human dignity, 2) the respect for the free, voluntary and informed consent, 3) the respect for children, elderly, refugees and displaced persons, victims, disabled or any other person is considered vulnerable or may become vulnerable, 4) the respect of the personal data and confidentiality, 5) the respect for justice and inclusiveness, the respect to representation and fair presentation of the communities or groups examined, 6) the balancing of the risks and benefits and the last one, 7) the ability to minimize each risk. However, equally important are the ethical principles, such as honesty, objectivity, integrity, carefulness, openness, respect for intellectual property, social responsibility, non-discrimination, legality and so many others, too (Wilson, …show more content…
More specifically, it is mentioned that the author made a combination between the qualitative and quantitative methods. There is an analytical description of their theoretical background and it is explained in detail the advantages of using mix quantitative and qualitative methods, since there is a better understanding of the different aspects of the main issue and the research questions and also, there is a better and deeper data analysis and evaluation. So, the final implications are more valid and credible, too. The researcher makes a presentation of the sample of the research, which is the population described in the articles and reviews on hospitality of the past twenty years from 1994 to 2014. In addition, he makes the data collection, using both qualitative and quantitative