Difference Between True Experimental And Quasi Experimental Research Design Essay

3- How would you make it an experimental (rather than correlational) study (it might help to be specific here as well and define the two types of studies in your

In a laboratory study of sleep deprivation, researchers employed a variety of techniques to keep

According to Depoy and Gittin, research is a way individuals think about problems in systematic way. Research is generally described as description, exploration, analysis, prediction and problem solving. There are different types of research and these researches are called the experiments, quasi-experiments and non-experiments. The purpose of research is to provide the insight to practice, it also enhance individuals understanding as well as developing new approaches with different topics, get to test your research for effectiveness. Understanding research is important because it helps to build individuals knowledge bases and informs decision making in practice. Research also enable us to make sure that our practice are up to date with relevant information.

A research design can be understood as the planning of any scientific research from the first to the last step. In this sense it is a program to guide the researcher in collecting, analyzing, and interpreting facts (Bless and Higson-Smith, 1995:63).

Instructions: This is a group activity that you will start in class and complete at home. For each of the following, note, whether the research design used is an experiment, a quasi-experiment, or a correlational approach and why. If a study is an experiment, identify the independent variable and the dependent variable. Please type your answers in complete sentences.

According to Yilmaz (2013) there exist two significant approaches to research with respect to studying the social and individual world. According to Creswell (2014) three types of design quantitative, qualitative, and mixed methods should remain in consideration when choosing a research designs at the start of the process. The two methods exist a quantitative and

Under the research design section it could have been mentioned that the study was a descriptive correlation design, experimental design, Quasi-experimental design, or a comparative descriptive design which is "used to describe a phenomenon of interest and related variable" (Gray, Grove, & Sutherland,

Experimental design research tends to use math and statistics to try to prove or disprove a hypothesis. Within an experimental design most of the research is controlled and leaves little room for error. One advantage of experimental design is that it is hard to disprove the results. However, a disadvantage is that because the conditions are controlled that makes the results too perfect. If the same experiment was conducted in an uncontrolled setting, such as the real world, the results would vary.

Quantitative and Qualitative are said to be systematic in different design. Both design have to follow a process system that involved defining a principle of research.

The method used for the study was quantitative, this was chosen rather than a qualitative as this deals with facts and figures and is an investigatory type of study. This can be either experimental or non experiment. Experimental is the method used in this study which looks at cause and effect, and involves dependent and independent variables. (Balnaves and Caputi, 2001) A qualitative study can be described as interpretive which deals with personal thoughts and feelings (Flick, 2009).

In Psychology 101 we learned that research methods are used in order to understand our mental and behavioral processes by making observations in a systematic way, following strict rules of evidence and thinking critically about that evidence. This scientific research is based on theories (tentative explanations of observations in science), hypotheses (predictions based on a theory) and replication (testing a hypothesis in more than one study). Some of the different research methods are firstly, descriptive studies. Descriptive studies are studies that use survey methods, naturalistic observation and clinical methods. Another research method is correlational studies. Correlational studies are studies that help one to determine if a relationship exists between two or more variables and if so it tells one how strongly those two variables relate to one another. With in correlational studies one can have positive correlation (as one variable increases or decreases so does the other), negative correlation (variables go in opposite directions) or zero correlation (no relationship between the variables). Another research method is formal experiments. Formal experiments are studies that allow us to draw conclusions about how one variable may cause or have an effect on another variable. With in formal experiments there are four elements, which are the independent variable (variable that is manipulated or controlled), the dependent variable (variable that is measured), the experimental

There are also some differences between these study designs, which may cause some problems for the inexperienced researcher. “Quantitative research is objective; qualitative research is subjective. Quantitative research seeks explanatory laws; qualitative research aims at

3. At this point the general direction of the research has probably made clear which of the various research or design types is most appropriate. For example, it may be decided that a survey, or an experiment, or some other design should be used.

A study design is the procedure that guides a researcher on how to collect, analyze and interpret observations. It is a logical model that guides the investigator while he navigates through the various stages of the research. Study types can be classified severally depending on the research strategy employed. A study type can be non-interventional that is ‘observational’ where a researcher just observes and analyses researchable objects or situations without intervening. Non-interventional study designs can be exploratory, descriptive or comparative. A study can also be

(ii) Experimental vs Non-experimental Research: Experimental research examine the possible influence that one factor or condition may have on another factor or condition. The experimental research is mostly conducted in laboratory, as it is in physics, biology and other pure sciences.