To say that two variables are confounded means that? Only one answer A) they both vary at the same time B) as one variable changes, the other stays the same C) both of the variables have been held constant D) both variables are equally responsible for observed changes in the dependent variable

MATLAB: An Introduction with Applications
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### Understanding Confounded Variables

**Question:**  
To say that two variables are confounded means that?  
*Only one answer*

**Options:**

- **A)** they both vary at the same time

- **B)** as one variable changes, the other stays the same

- **C)** both of the variables have been held constant

- **D)** both variables are equally responsible for observed changes in the dependent variable

In this multiple-choice question, you need to identify the correct statement regarding confounded variables.
Transcribed Image Text:### Understanding Confounded Variables **Question:** To say that two variables are confounded means that? *Only one answer* **Options:** - **A)** they both vary at the same time - **B)** as one variable changes, the other stays the same - **C)** both of the variables have been held constant - **D)** both variables are equally responsible for observed changes in the dependent variable In this multiple-choice question, you need to identify the correct statement regarding confounded variables.
Expert Solution
Step 1

Confounding variable:

Confounding variable is a third variable that has impact on both dependent and independent variables. Confounding variables are correlated with independent variable. Thus, it has causal relationship with dependent variable.

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