What are some examples of dependent and independent variables?

Asked By: Benoit Oelze | Last Updated: 1st May, 2020
Category: science physics
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Here are some other examples of dependent and independent variables in scientific experiments: A scientist studies the impact of a drug on cancer. The independent variables are the administration of the drug - the dosage and the timing. The dependent variable is the impact the drug has on cancer.

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Likewise, what are examples of independent and dependent variables?

Independent and Dependent Variable Examples

  • In a study to determine whether how long a student sleeps affects test scores, the independent variable is the length of time spent sleeping while the dependent variable is the test score.
  • You want to compare brands of paper towels, to see which holds the most liquid.

Also Know, what are independent and dependent variables in research? The two main variables in an experiment are the independent and dependent variable. An independent variable is the variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable. A dependent variable is the variable being tested and measured in a scientific experiment.

Similarly, what are examples of dependent variables?

They're independent of everything else. The dependent variable (sometimes known as the responding variable) is what is being studied and measured in the experiment. It's what changes as a result of the changes to the independent variable. An example of a dependent variable is how tall you are at different ages.

Which is the dependent variable?

Dependent Variable: A dependent variable is what you measure in the experiment and what is affected during the experiment. It is called dependent because it "depends" on the independent variable. In a scientific experiment, you cannot have a dependent variable without an independent variable.

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What does independent variable mean in science?

Independent Variable Definition. An independent variable is defines as the variable that is changed or controlled in a scientific experiment. It represents the cause or reason for an outcome. Independent variables are the variables that the experimenter changes to test their dependent variable.

Can time be a dependent variable?

If time is one of your variables, it is the independent variable. Time is always the independent variable. The other variable is the dependent variable (in our example: time is the independent variable and distance is the dependent variable).

What is a independent variable in Science example?

Example of Variables in Scientific Experiments
If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life-expectancy, then: The independent variable is the amount of vitamin that is given to the subjects within the experiment. This is controlled by the experimenting scientist.

How do you find the independent variable in a study?

You can use this typical form to determine the independent and dependent variables from the title of the study. If the study title is in the form "The effects of X on Y in Z". X is the independent variable and Y is the dependent variable - the outcome, and Z is the type of subjects represented.

What does it mean to be independent?

Being independent means being able to take care of your own needs and to make and assume responsibility for your decisions while considering both the people around you and your environment.

What is an independent variable in math?

An independent variable is a variable that represents a quantity that is being manipulated in an experiment. A dependent variable represents a quantity whose value depends on those manipulations.

What do u mean by variable?

In programming, a variable is a value that can change, depending on conditions or on information passed to the program. Typically, a program consists of instruction s that tell the computer what to do and data that the program uses when it is running.

What is the independent variable also known as?

An independent variable, sometimes called an experimental or predictor variable, is a variable that is being manipulated in an experiment in order to observe the effect on a dependent variable, sometimes called an outcome variable.

Is race a dependent or independent variable?

Independent variables considered included race/ethnicity, age, gender, marital status, education, annual household income, regular physician, and health status.

What are the 3 types of variables?

The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.

What is a Dependant and independent variable in math?

The dependent variable is the one that depends on the value of some other number. Another way to put it is the dependent variable is the output value and the independent variable is the input value. So for y=x+3, when you input x=2, the output is y = 5.

Is depression an independent or dependent variable?

In most experiments, the effects of the independent variable on the dependent variables are observed. For example, if a study investigated the effectiveness of an experimental treatment for depression, then the measure of depression would be the dependent variable.

What is a control variable in an experiment?

Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.

What is a predictor variable?

Predictor variable is the name given to an independent variable used in regression analyses. The predictor variable provides information on an associated dependent variable regarding a particular outcome. At the most fundamental level, predictor variables are variables that are linked with particular outcomes.

What is variable in statistics?

A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item. It is called a variable because the value may vary between data units in a population, and may change in value over time.

How do you measure variables in research?

You can see that one way to look at variables is to divide them into four different categories ( nominal, ordinal, interval and ratio). These refer to the levels of measure associated with the variables. In everyday usage the convention is to then use the level of measure to refer to the kind of variable.

What is an operational definition in research?

? An operational definition is how we (the. researcher) decide to measure our the variables. in our study (variable = anything that can be measured). ? There are usually hundreds of ways to measure a DV (e.g. behavior).