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Experimental and nonexperimental research design examples
Many misconceptions revolve around the different types of research designs. This makes it essential to have an understanding of the distinction between experimental and nonexperimental research designs. Experimental research employs scientific procedures to manipulate research subjects’ variables and then measures the effects of such manipulation on these research subjects (Lee, 2019). The ability to control variables is a distinct feature of experimental research designs. This research method is vastly practiced in social and physical sciences (Lee, 2019). The three major experimental research types include quasi-experimental research, true experimental, and pre-experimental.
Nonexperimental research does not entail independent variables manipulation. Researchers typically measure variables as they naturally occur (Wales, 2020). This research is employed when the researcher does not have a specific question regarding a cause-and-effect relationship. The researcher can’t control the independent variables. This research is used on various occasions, including; when the research is exploratory and broad and when there is a non-causal relation between variables (Wales, 2020). Three types of nonexperimental research exist: correlation, observational, and cross-sectional research.
The most significant distinction between these two research designs is the ability to cause control and manipulation of variables. While experimental allows this kind of control, nonexperimental research does not allow it (Wales, 2020). Examples of experimental research include lab experiments involving mixing various chemical elements to determine the impact of one element on another. Examples of nonexperimental research are all about investigating the traits of various chemical elements (Lee, 2019). For instance, let us take into account a researcher performing a lab test to establish the impacts of mixing hydrogen gas with Nitrogen gas. The result is ammonia gas. Researchers will further apply nonexperimental research to this ammonia gas to establish its characteristics, nature, and behavior.
Experimental research is majorly employed in making scientific innovations and finding solutions to problems. Nonexperimental research is majorly employed in validating existing conditions, defining characteristics, comparing solutions, and measuring data (Lee, 2019). For example, if experimental research leads to innovative discovery, nonexperimental research will come in to validate this discovery.
Contrast the levels of control applied to each.
Experimental research is multivariable, quantitative, and controlled. Nonexperimental research might be qualitative and quantitative but is impossible to control (Wales, 2020). Characteristics of experimental research are directly opposite to nonexperimental research. The most distinct trait that differentiates the two is their capabilities in the manipulation of independent variables. Experimental research can exercise a level of control on extraneous variables, which makes it possible to tamper with a natural research environment (Wales, 2020). Nonexperimental research settings are more natural, and this makes it impossible to tamper with their extraneous variables.
Many researchers consider the differentiation between these two research designs extremely important. Partly is because the experimental design accommodates independent variable manipulation, something that nonexperimental design cannot (Wales, 2020). This distinction is vital in deciding what methods to use when conducting research.
Respond to the above write up.  Support your response with peer reviewed articles.