p2 Nursing Assignment Help

Hello i need a Good and Positive Comment related with this argument .A paragraph  with no more  90 words.

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Maria Pop 

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Re:Topic 4 DQ 1

Researcher tries to eliminate the extraneous variables because they add error to an experiment. According to Psuc7f.wordpress.com, an experiment has an independent variable and a dependent variable in which the independent variable is manipulated and directly affects the dependent variable. However, within the experiment there are many variables called extraneous variable that are constantly changing and influence the independent and dependent variables. Some of these extraneous variables are: height, age, personalities, lighting, temperature, weight, weather, mood and backgrounds etc. Each researcher, needs to be able to identify the extraneous variable that influence the most the independent variables and try to control them in order to discover the true relationship between the independent and the dependent variable. For example, if temperature is identified that a standardized environment would control that. The reason we need to control the extraneous variable is because they can transform into confounding variable and the results will not be valid.

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Extraneous variables are variables that can have an impact on the independent and dependent variables in an experiment. It is crucial for researchers to identify and control these extraneous variables to ensure the validity of their results. Extraneous variables can include factors such as height, age, personalities, lighting, temperature, weight, weather, mood, and backgrounds. By controlling these variables, researchers are able to determine the true relationship between the independent and dependent variables. For example, if temperature is identified as an extraneous variable, researchers may control it by maintaining a standardized environment. Failure to control extraneous variables can result in confounding variables and invalid results.

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