An experimentation or experimental research is one in which independent variables are manipulated to determine its effect on dependent variable. The main objective of experimental research is to access the cause and effect relationship among variables. Suppose, we want to test whether a training program has influence on employee skill. Here, the training program is the independent variable & employee skill is the dependent variable. Now, we take sample of 50 employees; who are divided into two group.
At the weekend, we measure the skill of the employees through their productivity (e.g. the
This is an example of experimentation. Here,
Experiments are widely used in causal research. The researcher’s goal in conducting an experiment is to determine whether changing an experimental independent variable cause changes in the specified dependent variable.
Important Concepts of What is Experimental Research Design
Dependent and independent variables: A concept which might battle completely different quantitative values
Independent variables that don’t seem to be associated with the aim of the study,
Suppose the researcher wants to test the hypothesis that there is
One important characteristic of good research design is to minimize the influence or effect of
When the dependent variable is not free from the influence of extraneous variables(s), the relationship between the dependent and independent variables is said to be confounded by an extraneous variable(s).
When prediction or a hypothesized relationship is to be tested by scientific
Experimental and non-experimental hypothesis testing research:
When the aim of analysis is to check a research hypothesis, it’s termed as hypothesis-testing analysis. It
Experimental and control groups:
The different condition under which experimental and control groups are put are usually referred to as ‘treatments’. In the illustration taken higher than, the 2 treatments area unit the same old studies programme. Similarly, if we would like to work out through AN experiment the comparative impact of 3 kinds of fertilizers on the yield of wheat, in this
The process of examining the truth of a statistical hypothesis, relation to some research problem, is known as an experiment. For example, we can conduct an experiment to examine the usefulness of
Experiments can be of two types such
But if we want to determine the impact of one fertilizer as
The pre-determined plots or the blocks, when different treatments are used, are known as experimental units. Such experimental units must be selected (defined) very carefully.