independent variable definition
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- Definition of INDEPENDENT VARIABLE. : a mathematical variable that is independent of the other variables in an expression or function and whose value determines one or more of the values of the other variables.
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Whats the difference between independent and dependent variables? also, theory and hypothesis? The independent variable is the one the experiment is manipulating in order to measure it's effect on the dependent variable. So if you wanted your dog to stop barking, you would try spraying it with water when it barked.
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dependent variable de·pen·dent var·i·a·ble. in experiments, a variable that is influenced by or dependent on changes in the independent variable; for example, the amount of a written passage retained (dependent variable) as a function of the different numbers of minutes (independent variable) allowed to study the passage.
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Independent Variable Definition and Examples The two main variables in a science experiment are the independent variable and the dependent variable. Here's the definition on independent variable and a look at how it's used: 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.
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What Is the Difference Between Independent and Dependent Variables? A dependent variable is the variable in a scientific experiment that's being tested. An independent variable is the variable that can be changed during the course of an experiment to study the affect on the dependent variable. Continue Reading.
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Random Assignment in Psychology: Definition, Example & Methods Scientists refer to these factors as one of two kinds of variables. The independent variable is that first factor: the one whose influence we're trying to measure. An independent variable doesn't change based on the other variables. The second factor-the one being influenced by changes-is called a dependent variable.
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In biology, what are dependent and independent variables? Anonymous. 1  Those terms carry the same meanings here as they do in any other field. A variable is something in an experiment that is subject to change; an independent variable is something the experimenter changes; and the dependent variable is what is measured by the experimenter (also, it depends on the independent variable).
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dependent variable a variable in a mathematical equation or statement whose value depends on that taken on by the independent variable: in y = f(x), y'is the dependent variable. 2. (psychol, statistics) the variable measured by the experimenter.
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The Difference Between Independent and Dependent Variables Independent variables are values that can be changed in a given equation or experiment. Think of an independent variable as your input. An independent variable represents information that you put in to the equation. Dependent variables are values that result directly from the independent variable.
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Independent Variable The term independent variable is often a source of confusion; many people assume that the name means that the variable is independent of any manipulation. The name arises because the variable is isolated from any other factor, allowing experimental manipulation to establish analyzable results.
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- The Dependent and Independent Variables. In a psychology experiment: The independent variable is the variable that is controlled and manipulated by the experimenter. For example, in an experiment on the impact of sleep deprivation on test performance, sleep deprivation would be the independent variable.
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The Secret Pulse of Time Case example for Independent and Dependent variables. Definition: A variable is either a result of some force or it is the force that causes a change in another variable.In experiments, these are called dependent and independent variables respectively.t the end of the month, all children were given a reading comprehension test. Those who listened to Mozart daily (Group A) scored significantly higher on the reading test. In this case, the reading comprehension test score is the dependent variable and exposure to Mozart’s music is the independent variable.
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Which Axis Does the Dependent Variable Go On? What is a dependent variable? In math, a dependent variable is one in an expression, equation or function that depends upon one or more other variables' values to determine its value. The dependent variable is usually isolated on one side of an equation. For example, x is the dependent variable in the equation x=y+1.
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Independent and Dependent Variables Independent and dependent variables are related to one another. The Independent part is what you, the experimenter, changes or enacts in order to do your experiment. The dependent variable is what changes when the independent variable changes - the dependent variable depends on the outcome of the independent variable.
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Independent variable Independent variable. Definition. noun, plural: independent variables. (1) The variable in a functional relation whose value is independent, or is not affected by other variables. (2) The variable that is manipulated in an experiment.(3) The factor that affects the value of variables dependent to it.Supplement.efinition. noun, plural: independent variables. (1) The variable in a functional relation whose value is independent, or is not affected by other variables. (2) The variable that is manipulated in an experiment. (3) The factor that affects the value of variables dependent to it. Supplement.
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Dependent variable Learn how you can help Wikiversity to expand it. A dependent variable is used in statistics as the outcome variable which one attempts to predict or explain using one or more independent variables. For example, age of death could be a dependent variable, and gender and current age might be used as independent variables to predict it. Dependent variable (Wikipedia)
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dependent variable dependent variable, (in research) a factor that is measured to learn the effect of one or more independent variables. For example, in a study of the effect of preoperative nursing intervention on postoperative vomiting, vomiting is the dependent variable measured to determine the effect of the nursing intervention.
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- The independent variable is the variable that is manipulated during an experiment, and it gets its name because it is independent of other factors. It's the cause of the experiment that changes the dependent variable, which is the variable that is affected during an experiment.
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Variables: Independent, Dependent, Controlled Dependent variables. Controlled variables. A variable is part of an experiment that can change, such as amount of light, temperature, humidity, time changes, or plant growth. In an experiment, an independent variable is a variable that either changes on its own, or you purposely change it.
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Dependent and independent variables Dependent and independent variables. For dependent and independent random variables, see Independence (probability theory). In mathematical modelling and statistical modelling, there are dependent and independent variables. The models investigate how the former depend on the latter. The dependent variables represent the output or outcome whose variation is being studied. The independent variables represent inputs or causes, i.e. potential reasons for variation.
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Types of Variable Dependent and Independent Variables. 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.
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Independent and Dependent Variables 1 Independent Variables are changes that occur in an experiment that are directly caused by the experimenter (you.)  Dependent Variables are changes that occur due to independent variables.
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In an experiment what is a variable? The dependent variable is the the variable upon which the effects of manipulating the independent variable are seen/observed. Example: Independent variable-number of daily calories Dependent variable-weight In an experiment, one may wish to examine the effect of the number of daily calories on weight.
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Independent Variable Definition and Examples The independent variable is one changed in an experiment to test effects on the dependent variable. American Images Inc/Photodisc/Getty Images. Definition: An independent variable is the variable that is changed or controlled in a scientific experiment. Independent variables are the variables that the experimenter changes to test their dependent variable. The effect on the dependent variable is measured and recorded. Common Misspellings: independant variable.
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Independent Variable Definition and Examples Independent Variable Examples. 1  A scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off. The independent variable is the amount of light and the moth's reaction is the dependent variable. In a study to determine the effect of temperature on plant pigmentation, the independent variable (cause) is the temperature, while the amount of pigment or color is the dependent variable (the effect).
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- Independent Variable Definition: The “thing” that is used to predict the effect on the dependent variable. As the researcher changes this thing he or she observes what happens to the dependent variable. Example: In a study to determine the effect IQ has on SAT scores, the independent variable is IQ.efinition: Changes in the independent variable caused the changes in the dependent variable. Example: The change in weight as measured by the bathroom scale is due to a change in eating habits and exercise since the last time you stepped on the scale and not due to using a different scale.