Hypothesis Meaning In Research Example
In this example the independent variable is apple consumption the assumed cause.
Hypothesis meaning in research example. Such research helps us better understand how different aspects of the natural world relate to one another. Writing a hypothesis begins with a research question that you want to answer. The result of the research study is based on previous research studies and can be tested by scientific research.
For quantitative research the hypothesis used is a statistical hypothesis meaning that the hypothesis must be tested using statistical rules. In situations where the hypothesis is unsupported by the research the research still has value. The hypothesis is a critical part of any scientific exploration.
For a hypothesis to be considered a scientific hypothesis it must be proven through the scientific method. A research hypothesis is a conjectural statement a logical supposition a reasonable guess and an educated prediction about the nature of the relationship between two or more variables that we expect to happen in our study. It represents what researchers expect to find in a study or experiment.
According to the definition a hypothesis is an assumption one makes based on existing knowledge. Although you could state a scientific hypothesis in various ways most hypotheses are either if then statements or forms of the null hypothesis. Here are examples of a scientific hypothesis.
Example 1 a current area of research interest is the familial aggregation of cardiovascular risk factors in general and lipid levels in particular. The alternative hypothesis denoted by h 1 is the hypothesis that in some sense contradicts the null hypothesis. To elaborate it is a statement that translates the initial research question into a logical prediction shaped on the basis of available facts and evidence.
The dependent variable is the frequency of doctor s visits the assumed effect. Research questions definitions of hypothesis it is a tentative prediction about the nature of the relationship between two or more variables a hypothesis can be defined as a tentative explanation of the research problem a possible outcome of the research or an educated guess about the research outcome sarantakos 1993. A hypothesis is an explanation for a set of observations.