# How do you solve a confounding variable?

## How do you solve a confounding variable?

Strategies to reduce confounding are:

1. randomization (aim is random distribution of confounders between study groups)
2. restriction (restrict entry to study of individuals with confounding factors – risks bias in itself)
3. matching (of individuals or groups, aim for equal distribution of confounders)

## How do you find a confounding variable in SPSS?

How to Adjust for Confounding Variables Using SPSS

1. Enter Data. Go to “Datasheet” in SPSS and double click on “var0001.” In the dialog box, enter the name of your first variable, for example the sex (of the defendant) and hit “OK.” Enter the data under that variable.
2. Analyze the Data. Click on “Analyze” at the top of the SPSS screen.

## Is gender a confounding factor?

Hence, due to the relation between age and gender, stratification by age resulted in an uneven distribution of gender among the exposure groups within age strata. As a result, gender is likely to be considered a confounding variable within strata of young and old subjects

## What are control variables examples?

Examples of Controlled Variables Temperature is a common type of controlled variable. If a temperature is held constant during an experiment, it is controlled. Other examples of controlled variables could be an amount of light, using the same type of glassware, constant humidity, or duration of an experiment

## What variable is known as the data that you are collecting?

Quantitative variables When you collect quantitative data, the numbers you record represent real amounts that can be added, subtracted, divided, etc.

## What is the constant variable in this activity?

The dependent variable is the part of the experiment that reacts to the independent variable. The control is the base experiment for comparison with other trials of the experiment. Science experiments also include something called constants. A constant is the part that doesn’t change during the experiment

## What is the difference between constant and independent variables?

A controlled variable is one that is constant and is unchanged in an experiment. It is held constant in order to observe the result of the independent variable. An independent variable is the variable that is being changed in the experiment in each trial, while a dependent variable is the one that is being measured

## What are 2 things that must remain constant for this experiment?

There must be an independent variable, which changes throughout the course of an experiment; a dependent variable, which is observed and measured; and a controlled variable, also known as the “constant” variable, which must remain consistent and unchanging throughout the experiment

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