Are Controlled Experiments Qualitative Or Quantitative? Exploring The Methodological Divide
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Independent, Dependent And Controlled Variables In Controlled And Experimental Set-Up
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What Is The Controlled Experiment Method?
The controlled experiment method is a systematic approach used in scientific research to investigate the relationship between an independent variable and a dependent variable while keeping all other relevant factors constant. This method ensures that any changes in the dependent variable can be attributed solely to variations in the independent variable being studied. To achieve this, researchers carefully control or maintain specific conditions, such as maintaining a constant room temperature, while conducting the experiment. This stringent control over extraneous variables allows scientists to draw meaningful conclusions about the impact of the independent variable on the dependent variable.
What Are The 4 Types Of Quantitative Research?
Quantitative research encompasses four primary types, each serving distinct purposes: Descriptive research, Correlational research, Causal-Comparative/Quasi-Experimental research, and Experimental research. Among these, Experimental research aims to establish cause-and-effect relationships between variables, mirroring true experiments in many ways but featuring some crucial distinctions. This method is especially valuable for exploring the impact of independent variables on dependent variables.
What Does Controlled Mean In Quantitative Research?
In the realm of quantitative research, the term “controlled” holds significant importance. It refers to the meticulous process of identifying and measuring extraneous variables that could potentially influence the outcomes of a study. Researchers employ statistical techniques to account for these extraneous variables, effectively eliminating or minimizing their impact on the relationships between other variables under investigation. This process involves incorporating control variable data alongside independent and dependent variable data in analytical methods such as regression analyses and Analysis of Covariance (ANCOVA). By doing so, researchers can isolate the specific effects of the variables they are primarily interested in studying. This rigorous approach ensures that the observed relationships between variables are more likely to reflect genuine causal links rather than being confounded by external factors.
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In controlled experiments, the focus is on quantitative data.In a controlled experiment, all variables other than the independent variable are controlled or held constant so they don’t influence the dependent variable. Controlling variables can involve: holding variables at a constant or restricted level (e.g., keeping room temperature fixed).There are four main types of Quantitative research: Descriptive, Correlational, Causal-Comparative/Quasi-Experimental, and Experimental Research. attempts to establish cause- effect relationships among the variables. These types of design are very similar to true experiments, but with some key differences.
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