- manipulated variable
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The variable in a scientific experiment that is changed.
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manipulated variable
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Variable — A variable (pronEng|ˈvɛərɪəbl) is an attribute of a physical or an abstract system which may change its value while it is under observation. Examples include the height of a child, the temperature across a state, or the input to a function. This… … Wikipedia
Variable-frequency oscillator — A variable frequency oscillator (VFO) in electronics is a oscillator with an oscillation frequency that can be electronically changed (hence, variable).cite book |title=The ARRL Handbook for Radio Amateurs, Sixty Eighth Edition |editor=Larry D.… … Wikipedia
variable — In the physical sciences, variables are the characteristics of entities which are physically manipulated, such as the heat or volume of a substance. In the social sciences, the term refers to attributes which are fixed for each person or other… … Dictionary of sociology
Interaction variable — In statistics, an interaction variable is a variable often used in regression analysis. It is formed by the multiplication of two independent variables. Example There is a group of participants. Their postural control is being analysed and scored … Wikipedia
independent variable — Within a particular study, analysis, or model, the independent (or explanatory) variable is the social element whose characteristics or variations shape and determine the dependent variable: for example, the age of marriage can help explain the… … Dictionary of sociology
Dependent and independent variables — The terms dependent variable and independent variable are used in similar but subtly different ways in mathematics and statistics as part of the standard terminology in those subjects. They are used to distinguish between two types of quantities… … Wikipedia
Manipulation checks — Manipulation check is a term in experimental research in the social sciences which refers to certain kinds of secondary evaluations of an experiment. Overview In experiments, an experimenter manipulates some aspect of a process or task and… … Wikipedia
Experimental techniques — Experimental research designs are used for the controlled testing of causal processes. The general procedure is one or more independent variables are manipulated to determine their effect on a dependent variable. These designs can be used where:… … Wikipedia
PID controller — A block diagram of a PID controller A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback… … Wikipedia
Internal validity — is the validity of (causal) inferences in scientific studies, usually based on experiments as experimental validity [ Mitchell, M. and Jolley, J. (2001). Research Design Explained (4th Ed) New York:Harcourt.] . Details Inferences are said to… … Wikipedia
