![]() If a temperature is held constant during an experiment, it is controlled. Temperature is a common type of controlled variable. Thus, as its name implies – the value can vary. A variable is a data item whose value can change during the program’s execution. Understanding Constants A constant is a data item whose value cannot change during the program’s execution. The marks obtained thus represents the dependent or outcome variable. What is Outcome variables? For a simple example, the marks a student obtains in an exam is a result of the hard word measured in the number of hours put behind studying and the intelligence measured in IQ are the independent variables. ![]() What is an example of an outcome variable? The changes in an experiment are made to the independent variable (also called the manipulated variable) the responses that happen as a result of those deliberate changes are the responding variables. It’s the effect or outcome in an experiment. Which is the responding variable in an experiment? In an experiment, you manipulate the independent variable and measure the outcome in the dependent variable. You can think of independent and dependent variables in terms of cause and effect: an independent variable is the variable you think is the cause, while a dependent variable is the effect. What is the outcome variable in an experiment?
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