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Definitions from the Web

Confounding Variable

Definition: In research studies, a confounding variable is a factor that influences both the independent variable and the dependent variable, causing a spurious association or misleading interpretation of the results.

Senses and Usages:

1. Noun - Research Methodology:

A confounding variable, also known as a confounder or a lurking variable, is an additional variable that can affect the relationship between the independent and dependent variables in a research study. It may introduce bias and lead to inaccurate conclusions.

For example: In a study investigating the effects of exercise on weight loss, age could be a confounding variable as it may influence both the amount of exercise the participants engage in and their weight loss outcomes.

2. Verb - Confuse or Mislead:

Confounding variables can also refer to factors or circumstances that confuse or mislead a situation, making it difficult to identify the precise cause or explanation.

For example: The conflicting opinions of the witnesses confounded the investigation by introducing confounding variables that made it challenging to establish the sequence of events.

Sample Sentences:

1. The study failed to account for potential confounding variables, resulting in unreliable findings.
2. It is essential to identify and control for confounding variables in order to obtain valid research results.
3. External factors such as weather conditions can often act as confounding variables in agricultural studies.
4. The researchers adjusted their data analysis to eliminate the influence of potential confounding variables.
5. The confounding variable in the study skewed the results, leading to a mistaken conclusion.

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