In a study to determine whether how long a student sleeps affects test scores, the independent variable is the length of time spent sleeping while the dependent variable is the test score. The definition implies that the experimenter uses the independent variable to describe or explain the influence or effect of it on the dependent variable. Exam score Please Sir, when writing the dependent and independent variables should it be in a table form ? Thanks for the explanation. Clear, simple, easily understood! 10+ Quantitative Research Examples. As I was reading the climate change sample, I was asking myself where are the DV and IV, and then whether the temperature would be listed under the DV or IV. I am extremely inspired with your writing talents as smartly as with For example, in the first phenomenon of climate change, temperature (independent variable) may influence sea level (dependent variable). So i can understand it more? Quantitative variables, also called numeric variables, are those variables that are measured in terms of numbers. Previous job experiences determine the initial salary. I have been trying all these years to come out with research proposal for a doctoral programme with great difficulty. A continuous variable is one that may take on an infinite number of intermediate values along a specified interval. However, temperature can also be the DV if carbon emissions are the IV. Age, sex, export, income and expenses, family size, country of birth, capital expenditure, class grades, blood pressure readings, preoperative anxiety levels, eye color, and vehicle type are all examples of variables because each of these properties varies or differs from one individual to another. I need guidance on Variables and like framework. An indicator is a measure that is employed to refer to a concept when no direct measure is available. I was considering to enroll in statistics course to equip me in my consultancy work (socio-economic studies), found this site very informative, I need to really study though. For example: IT might be knowledge of databases, and supply chain is time in moving the product. As I mentioned earlier, please read the last part of the above article on how to determine the dependent and independent variables. He likes running 2-3 miles 3-4 times a week, and recently learned to cook at home due to COVID-19. A hypothetical construct differs from an intervening variable in that construct has properties and implications which have not been demonstrated in empirical research. If the level of education does not have any bearing on the desire, we say that the variables’ desire for additional children’ and ‘education’ are unrelated. Hi, In Biology: Genes, evolution, illness, taxonomy, immunity, In Physics/Astrophysics: Black holes, the Big Bang, Dark Matter, String Theory, molecular physics or atoms, gravity, the center of mass. Very useful. I just need that encouragement to go on and help students out there who want to use research as a tool to advance themselves. A simple example of a quantitative variable is a person’s age. The number of mobile cards sold in a store within seven days. Depending on the context, an independent variable is sometimes called a predictor variable, regressor, controlled variable, manipulated variable, explanatory variable, exposure variable (as used in reliability theory), risk factor (as used in medical statistics), feature (as used in machine learning and pattern recognition) or input variable. Suppose we are interested in examining the relationship between the work-status of mothers and breastfeeding duration. For example, an experimenter might compare the effectiveness of four types of fertilizers. In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable. Quantitative research demands focus and precision from the researcher. Variables are those simplified portions of the complex phenomena that you intend to study. Identify another variable that you think is a possible cause and explain why you think it might be a cause. But if your school requires that the independent and dependent variables be written in table form, I see no problem with that. Have a clear purpose first that will aid you in coming up with your conceptual framework. The clarity in your post is just great and i could See comment below. What are variables? Thanks so much ! In almost every study, we collect information such as age, sex, educational attainment, socioeconomic status, marital status, religion, place of birth, and the like. I’m glad to be of help. The age can take on different values because a person can be 20 years old, 35 years old, and so on. Dear Alhaji, just be clear about what you want to do. This page is a life savior! What are Examples of Variables in Research? More grease to your elbow. This article is so much simple to my understanding. Dear Eddie, your topic is too broad. In lung cancer research, it is the carcinoma that is of real interest to the researcher, not smoking behavior per se. Just wish to say your article is as amazing. You need to be familiar with factors that surround extrajudicial killings. Expounded Definition and Five Purposes, Pfizer COVID-19 Vaccine: More Than 90% Effective Against the Coronavirus, Writing a Critique Paper: Seven Easy Steps, number of hours devoted by parents in providing tutorial support. Smoking enhances the risk of lung cancer. At a point I wanted to give up on the PhD programme. My project topic is Extra judicial killings and involvement of military forces,how do i go about drawing my theoritical framework and what variables best suits, My project topic is Extra judicial killings and involvement of military forces,how do i go about drawing my conceptual framework and what variables best suits, Dear Quad, just follow the procedure outlined above.
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