Selecting a correct type of research method for your research is challenging. Before starting a research, you have to identify the design of the research in order to be on the right direction. If you chose wrong research method, your all-hard work will go in vain and you will have to start from the scratch. This not only takes your time, but can also frustrate you. In order to select right research method, you have to understand different research methods
The word experiment has a range of definitions. The experiment is a systematic and scientific approach in which the researcher manipulates one or more variables and controls and measures any change in the variables. In experiment research, researcher manipulates one variable and controls other variables. Steps of experimental research are
- Identify and define the problem
- Review literature
- Develop hypothesis
- Construct an experimental design
- Conduct the experiment
- Compile raw data
- Present finding and conclusion
In surveys method, researchers collect information from a large group of people by using questionnaires, interviews or telephonically. There are different types of surveys. The most common and straightforward type is one shot survey in which people are surveyed in a set point in time. Another type is before and after survey, which people complete before and after event and experience and after wads.
Questionnaire is a good method to collect and gather information from large group of people or from people who do not have time to participate in interviews or take part in experiments. They enable people to take their time, think about the questions and get back to it later on. Participants can give their views and opinion freely. However, unfortunately most of the participants do not give honest opinion while filling questionnaires. Questionnaire typically contain multiple-choice questions with a scale from highest to lowest. There are typically two types of questionnaires.
Open ended questionnaires: in open-ended questionnaires, there are no choices are given at the end of question. People have to answer the questions at their own whatever they feel about any situation
Close-ended questionnaires: In close-ended questionnaires, there are choices given at the end of every question and participants have to choose among given choices.
Interviews are usually carried out in person face to face but can be carried out telephonically and using some advanced technology methods such as skype. Sometimes interviews are held in interview rooms, sometimes at neutral places.
There are two types of interview methods. Formal interviews and informal interviews. Formals interviews are more structured and prepared beforehand and informal interview are not structured and you researcher ask questions according to the situation.
Case studies involve the detailed study of a particular case of a person or group. Various methods of data collection and analysis are used but this typically includes observations and interviews. Researchers may be interested in particular situation and may select one or more people to base their case study on. The results of the case studies can be obtained in the form of descriptive data
Studies using the Delphi method
The Delphi method was developed in US in 1950s and 1960s. The use of Delphi method is particularly to help researchers to determine the range of opinions about certain subject or issue. This method investigates the issues and come up with an agreement.