# What are some examples of independent and dependent variables in research?

## What are some examples of independent and dependent variables in research?

The dependent variable is the effect. Its value depends on changes in the independent variable….Independent and dependent variables.

Research Question Independent variable(s) Dependent variable(s)
How well do different plant species tolerate salt water? The amount of salt added to the plants’ water Plant growth Plant wilting Plant survival rate

## Where can you apply independent and dependent variable in real life situations?

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.

## What is IV and DV examples?

The IV is the dose given and the DV is the intensity and frequency of symptoms. The intensity and frequency of symptoms “depends” on the dose of drug given. Example 4: You are studying how tutoring affects SAT scores. Your independent variable(IV) is tutoring and the dependent variable(DV) is test scores.

## What are some examples of independent and dependent variables math?

If, say, y = x+3, then the value y can have depends on what the value of x is. 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.

## How do you explain independent and dependent variables?

Independent vs Dependent Variables 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.

## Which is the dependent variable?

The dependent variable is the variable that is being measured or tested in an experiment. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants’ test scores, since that is what is being measured.

## What is dependent variable in quantitative research?

Definitions. Dependent Variable. The variable that depends on other factors that are measured. These variables are expected to change as a result of an experimental manipulation of the independent variable or variables. It is the presumed effect.

## What is a dependent variable easy definition?

The dependent variable is the variable being tested and measured in an experiment, and is ‘dependent’ on the independent variable. An example of a dependent variable is depression symptoms, which depends on the independent variable (type of therapy).

## What are variables in research examples?

Variable Definition in Research For example, an experimenter might compare the effectiveness of four types of fertilizers. In this case, the variable is the ‘type of fertilizers’. A social scientist may examine the possible effect of early marriage on divorce. Here early marriage is the variable.

## What is an independent variable in research?

In research design, independent variables are those that a researcher can manipulate, whereas dependent variables are the responses to the effects of independent variables. By purposefully manipulating the value of an independent variable, one hopes to cause a response in the dependent variable.

## Is gravity a dependent variable?

An independent variable is one that you would like to change, and the dependent variable is the response to the change of the independent variable. Water and light are considered independent because they can be changed, while gravity cannot be changed and is therefore not an independent variable.

## Is speed a dependent variable?

Independent variables are variables whose variations do not depend on another variable. In this case, the non-variable is the distance covered, the independent variable is the speed while the dependent variable is the time which changes with respect to the change in the speed of the vehicle.

## Is time an independent variable?

Time is a common independent variable, as it will not be affeced by any dependent environemental inputs. Time can be treated as a controllable constant against which changes in a system can be measured.

## What is the independent variable in a plant growth experiment?

An independent variable is the variable the experimenter controls. Basically, it is the component you choose to change in an experiment. This variable is not dependent on any other variables. For example, in the plant growth experiment, the independent variable is the light color.

## Is water a dependent variable?

The dependent variable is usually what scientists measure in an experiment. In this case, the amount of water is the independent variable because that is what you’re changing in the experiment: one seed gets a lot of water and the other seed only gets a little water.

## Is sunlight a dependent variable?

Plant height is the dependent variable that responds to the change in the independent variable. Each plant is exposed to an equal amount of sunlight, so sunlight is the control variable. They are also grown in the same sized pot and given an equal amount of water.

## What are 3 control variables?

An experiment usually has three kinds of variables: independent, dependent, and controlled.

## What are some examples of control variables?

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 is the independent variable in an experiment example?

The independent variable (IV) is the characteristic of a psychology experiment that is manipulated or changed by researchers, not by other variables in the experiment. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable.

## What are the two major types of variables in research?

There are different types of variables and having their influence differently in a study viz. Independent & dependent variables, Active and attribute variables, Continuous, discrete and categorical variable, Extraneous variables and Demographic variables.

## What are major variables in research?

A variable is defined as anything that has a quantity or quality that varies. The dependent variable is the variable a researcher is interested in. An independent variable is a variable believed to affect the dependent variable.

## How do you classify variables?

Classifying variables can be somewhat contentious. Standard statistical textbooks will state that variables can be broadly classified as categorical or continuous. Categorical variables can be further categorised into nominal (e.g. ethnic group), ordinal (e.g. tumour staging) and dichotomous (e.g. sex).

## What is variable in research and its types?

Variables represents the measurable traits that can change over the course of a scientific experiment. In all there are six basic variable types: dependent, independent, intervening, moderator, controlled and extraneous variables.

## What type of variable is zip code?

Nominal variables

## Is zip code a categorical variable?

Some variables, such as social security numbers and zip codes, take numerical values, but are not quantitative: They are qualitative or categorical variables. The sum of two zip codes or social security numbers is not meaningful. The average of a list of zip codes is not meaningful.

## Which is nominal variable?

A nominal variable is a type of variable that is used to name, label or categorize particular attributes that are being measured. It takes qualitative values representing different categories, and there is no intrinsic ordering of these categories. Some examples of nominal variables include gender, Name, phone, etc.

## What is a quantitative variable?

Quantitative Variables – Variables whose values result from counting or measuring something. Examples: height, weight, time in the 100 yard dash, number of items sold to a shopper. Qualitative Variables – Variables that are not measurement variables. Their values do not result from measuring or counting.

## What is the example of quantitative variable?

As discussed in the section on variables in Chapter 1, quantitative variables are variables measured on a numeric scale. Height, weight, response time, subjective rating of pain, temperature, and score on an exam are all examples of quantitative variables.

## What are the types of independent variables?

Independent Variables: Other Names and Uses.

• A controlled variable.
• An explanatory variable.
• An exposure variable (in reliability theory).
• A feature (in machine learning and pattern recognition).
• An input variable.
• A manipulated variable.
• A predictor variable.
• A regressor (in regression analysis).

## What is dependent variable in science?

The dependent variable is the variable being tested and measured in an experiment, and is ‘dependent’ on the independent variable. In an experiment, the researcher is looking for the possible effect on the dependent variable that might be caused by changing the independent variable.

## What are examples of independent?

The definition of independent is someone or something that is free from the influence or control of another. An example of independent is someone who lives on their own and supports themself. Free from the influence, guidance, or control of another or others; self-reliant.

## What are the independent and dependent variables in a hypothesis?

A hypothesis states a presumed relationship between two variables in a way that can be tested with empirical data. The cause is called the independent variable; and the effect is called the dependent variable.

## What is the difference between independent and dependent variable examples?

A dependent variable depends on an independent variable, while an independent variable depends on external manipulation. For example, when measuring how the speed of a car will affect the time it will take to reach a certain place, the time taken (dependent variable) depends on the speed (independent variable)….

## How do you know if data is independent?

Events A and B are independent if the equation P(A∩B) = P(A) · P(B) holds true. You can use the equation to check if events are independent; multiply the probabilities of the two events together to see if they equal the probability of them both happening together.

## What is a continuous independent variable?

CONTINUOUS (SCALE) VARIABLES: Measurements on a proper scale such as age, height etc. INDEPENDENT VARIABLE: The variable we think has an effect on the dependent variable. DEPENDENT VARIABLE: The variable of interest which could be influenced by independent variables.

## What is a categorical dependent variable?

Introduction. The categorical dependent variable here refers to as a binary, ordinal, nominal or event count variable. When the dependent variable is categorical, the ordinary least squares (OLS) method can no longer produce the best linear unbiased estimator (BLUE); that is, the OLS is biased and inefficient.

## What is an example of continuous quantitative variable?

Examples of continuous variables are body mass, height, blood pressure and cholesterol. A discrete quantitative variable is one that can only take specific numeric values (rather than any value in an interval), but those numeric values have a clear quantitative interpretation.

## What type of variable how Internet is used at home?

Income is a continuous variable. Household size and number of computers are discrete variables. (*) Occupation of head of household and type of internet connection are qualitative variables.

# What are some examples of independent and dependent variables in research?

## What are some examples of independent and dependent variables in research?

Independent and dependent variables

Research Question Independent variable(s) Dependent variable(s)
How well do different plant species tolerate salt water? The amount of salt added to the plants’ water Plant growth Plant wilting Plant survival rate

## Which is the best example of a dependent variable?

The dependent variable is the variable that is being measured or tested in an experiment. 1 For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants’ test scores, since that is what is being measured.

## What is IV and DV examples?

The IV is the dose given and the DV is the intensity and frequency of symptoms. The intensity and frequency of symptoms “depends” on the dose of drug given. Example 4: You are studying how tutoring affects SAT scores. Your independent variable(IV) is tutoring and the dependent variable(DV) is test scores.

## What are the types of independent variables?

Independent Variables: Other Names and Uses.

• A controlled variable.
• An explanatory variable.
• An exposure variable (in reliability theory).
• A feature (in machine learning and pattern recognition).
• An input variable.
• A manipulated variable.
• A predictor variable.
• A regressor (in regression analysis).

## What are the 3 independent variables?

In this sense, some common independent variables are time, space, density, mass, fluid flow rate, and previous values of some observed value of interest (e.g. human population size) to predict future values (the dependent variable).

## Is gender a dependent or independent variable?

An independent variable is used in statistics to predict or explain a dependent variable. For example, Age and Gender might be used as independent variables to predict the age of death or life expectancy (dependent variables).

## What is independent variable in biology?

Independent variable – the variable that is altered during a scientific experiment. Dependent variable – the variable being tested or measured during a scientific experiment. Controlled variable – a variable that is kept the same during a scientific experiment.

## What is independent variable in Research example?

The independent variable (IV) is the characteristic of a psychology experiment that is manipulated or changed by researchers, not by other variables in the experiment. For example, in an experiment looking at the effects of studying on test scores, studying would be the independent variable.

## What is dependent and independent variable in science?

The independent and dependent variables are the two key variables in a science experiment. The independent variable is the one the experimenter controls. The dependent variable is the variable that changes in response to the independent variable. The two variables may be related by cause and effect.

## What is dependent variable and independent variable in research?

The independent variable is the variable the experimenter manipulates or changes, and is assumed to have a direct effect on the dependent variable. The dependent variable is the variable being tested and measured in an experiment, and is ‘dependent’ on the independent variable.

## What is variable in Research example?

Variable Definition in Research For example, an experimenter might compare the effectiveness of four types of fertilizers. In this case, the variable is the ‘type of fertilizers’. A social scientist may examine the possible effect of early marriage on divorce.

## What is dependent variable in research?

Definitions. Dependent Variable. The variable that depends on other factors that are measured. These variables are expected to change as a result of an experimental manipulation of the independent variable or variables.

## Which of the following describes a dependent variable?

A dependent variable is what you measure in the experiment and what is affected during the experiment. The dependent variable responds to the independent variable. It is called dependent because it “depends” on the independent variable.

## What are some examples of independent and dependent variables in healthcare?

For example: In a study of how different doses of a drug affect the severity of symptoms, a researcher could compare the frequency and intensity of symptoms when different doses are administered. Here the independent variable is the dose and the dependent variable is the frequency/intensity of symptoms.

## Which phrase best describes the dependent variable in an experiment?

Answer: The dependent variable changes in response to the independent variable. Explanation: Think of it like cause (independant) and effect (dependant).

## What type of data is the dependent variable?

Dependent Variables. Dependent variables are the measured behaviors of participants. They are dependent because they “depend on” what the participants do. The most obvious example is text entry speed, measured, for example, in words per minute.

## Is temperature a dependent or independent variable?

An independent variable is one that is unaffected by changes in the dependent variable. For example when examining the influence of temperature on photosynthesis, temperature is the independent variable because it does not dependent upon photosynthetic rate.

## Is height or weight an independent variable?

The variable you’re most interested in is known as the dependent variable, because it might be dependent on, or affected by, something else that you’ve measured, which is therefore an independent variable. For example people’s weight (dependent variable) might depend on their height (independent variable).

## Is water a dependent variable?

The dependent variable is usually what scientists measure in an experiment. In this case, the amount of water is the independent variable because that is what you’re changing in the experiment: one seed gets a lot of water and the other seed only gets a little water.

## Is sunlight a dependent variable?

Plant height is the dependent variable that responds to the change in the independent variable. Each plant is exposed to an equal amount of sunlight, so sunlight is the control variable. Both of those are also control variables, or constant variables.

## Is Vinegar an independent variable?

The amount of vinegar is the independent variable you are testing.

## Can day be an independent variable?

For instance: if you were measuring the growth rate of plants under full sunlight for 8 hours a day versus plants that only have 4 hours of full sunlight per day, the amount of time per day of full sunlight would be the independent variable – the variable that you control.

## Why is time always an independent variable?

In this question, time is the independent variable and displacement is the dependent variable. The experimenter can select sampling times, but cannot necessarily predict the displacement that will be measured at each point. This defines time as the independent variable.

## How do you know if a variable is independent?

You can tell if two random variables are independent by looking at their individual probabilities. If those probabilities don’t change when the events meet, then those variables are independent. Another way of saying this is that if the two variables are correlated, then they are not independent.

## Is location an independent variable?

For example, a student might change the position of a plane’s wing to see how it affects the average speed of a model plane. The wing position would be the independent variable- because the student purposely changes its location.

## Is money an independent variable?

The independent variable is the number of boxes of cookies you buy. The dependent variable is the amount of money you spend on the cookies. The independent variable is the amount of money you spend on the cookies.

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