We all are acquainted with the fact that the world is changing, and the interesting thing is that scientists are playing one of the most important roles in the development of new technologies. The foremost role of scientists is to know the function of our natural world, along with how those things (variables) impact and change how we conduct experiments. Variables are one of the most important parts of science, and below is a look at how they work.

If you have a research mentor, look to them to expand further on the article below. If you are still looking for guidance, start here. But always remember to network so you can apply your knowledge and get feedback in the future.

Variable

Variables for science refer to any factor, condition or item, which can be measured, changed and controlled in a scientific experiment. These variables are inextricably related to scientific experiments.

Scientific experiments are used to determine the adherence between multiple variables, and thus they get to know the cause and effect relationship. If we talk about cause and effect relationships, we must say that when scientists change one or more thing, they must observe and measure other variables to try and keep everything the same so the outcome isn’t negatively affected. In the end, applying and removing variables can be measure and observed. Cause and effect relationships play a very important role in scientific experiments as scientists work to understand how variables will alter any outcome.

Types Of Variables

If we talk about the classification of variables for science, we will get four types of variables:  Independent, dependent, controlled, and extraneous.

• Independent Variable  – Independent variables are a kind of variable where one variable is changed by the scientists. In such a case, if you change more than one variable, it would be difficult for scientists to figure out the cause and effect relationship.
• Dependent variable – A dependent variable is inextricably related to independent variables, and this is why it has such a name. Scientists keep an eye on their observations to check how variables will respond to changes that are made to the independent variable.
• Controlled variable – A controlled variable is otherwise known as a constant variable and these variables do not generally change in scientific experiments.
• Extraneous variables – Extraneous variables influence the result of scientific experiments. But these are not taken into account during the measurement.

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