controlled variable vs control variable

Both 'controlled variable' and 'control variable' are correct, but they are used in different contexts. 'Controlled variable' refers to a variable that is kept constant in an experiment, while 'control variable' is a less common term that can be used interchangeably with 'controlled variable'.

Last updated: March 25, 2024 • 690 views

This phrase is correct and commonly used in scientific contexts.

"controlled variable"

This term refers to a variable that is intentionally kept constant and unchanged in an experiment to observe the effect of other variables. It is a fundamental concept in experimental design.

Examples:

In the experiment, temperature was the controlled variable.
The controlled variable in this study was the amount of sunlight exposure.
Scientists must carefully identify and control variables in their experiments.
The controlled variable remained unchanged throughout the duration of the study.
The students were instructed to manipulate the independent variable while keeping the controlled variable constant.

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mechanically controlled variable sequence manipulation mechanisms which are automated moving devices, operating according to mechanically fixed programmed motions. The programme is mechanically limited by fixed, but adjustable stops, such as pins or cams.
Mechanically controlled variable sequence manipulation mechanisms which are automated moving devices, operating according to mechanically fixed programmed motions.
Non-servo-controlled variable sequence manipulation mechanisms which are automated moving devices, operating according to mechanically fixed programmed motions.
Non-servo-controlled variable sequence manipulation mechanisms which are automated moving devices, operating according to mechanically fixed programmed motions. The programme is variable but the sequence proceeds only by the binary signal from mechanically fixed electrical binary devices or adjustable stops; 5.
ETCS values of variables controlled outside UNISIG - Manual
ETCS values of variables controlled by UIC (P1)
ETCS values of variables controlled outside UNISIG - Manual - (P1)
Too many variables for someone this controlled.
In a controlled experiment, there can only be one variable.
Too many variables for someone this controlled.
In accordance with the breakdown of variable 11 11 5 the gross direct premiums written are broken down into a share related to domestic controlled enterprises and a share related to foreign controlled enterprises.
They are also based on extensions of the variables collected for foreign direct investment, for the foreign affiliates that are controlled by the direct investor.
Information on recovery practices of controlled substances from the cooling systems in domestic refrigerators and freezers is more variable but it appears that a significant number of Member States are engaged in recovery from such equipment.
"Variable geometry airfoils" (7) means the use of trailing edge flaps or tabs, or leading edge slats or pivoted nose droop, the position of which can be controlled in flight.
A list of all output variables which are controlled by 'the system' shall be provided and an indication given, in each case, of whether the control is direct or via another vehicle system.
"Variable geometry airfoils" (7) means the use of trailing edge flaps or tabs, or leading edge slats or pivoted nose droop, the position of which can be controlled in flight.
In accordance with the breakdown of variable 11 11 4, the balance sheet total has to be split up into a part which is related to domestic controlled credit institutions and a part which is related to foreign controlled enterprises.
In accordance with the breakdown of variable 11 11 5 the gross reinsurance premiums accepted, written premiums are broken down into a share related to domestic controlled enterprises and a share related to foreign controlled enterprises.
In accordance with the breakdown of variable 11 11 5 the reinsurers share of gross premiums written is broken down into a share related to domestic controlled enterprises and a share related to foreign controlled enterprises.
In accordance with the breakdown of variable 11 11 4, the balance sheet total has to be split up into a part which is related to domestic controlled credit institutions and a part which is related to foreign controlled enterprises.

Alternatives:

constant variable
held constant variable
kept constant variable
unchanged variable
standard variable

This phrase is correct but less commonly used than 'controlled variable'.

"control variable"

While less common, 'control variable' can be used interchangeably with 'controlled variable' to refer to a variable that is kept constant in an experiment. It is still understood in scientific contexts.

Examples:

The scientists identified the control variable in the experiment.
It is important to maintain the control variable at a consistent level.
The control variable was carefully monitored throughout the study.
In this research, humidity served as the control variable.
Students were asked to manipulate the independent variable while holding the control variable steady.

Show examples from the web [+]

But for such a comparison to be reliable, its control variable needs to be precisely the underlying trends and policy objectives in the two areas.
I didn't say I control variables.
Please use the following table to describe which indicators will be built to measure outcomes of the scheme, as well as the relevant control variables, including the sources of data, and how each result indicator corresponds to the evaluation questions.
I control the variables, and this is sloppy.
But even a perfectionist can't control every variable.
And once you control the variables, those behaviours also can be limited, manipulated.
Okay, but we have to control the variables.
APPARATUS Electric hotplate with variable temperature control.
Electric hotplate with variable temperature control.
Can't control all the little variables.
However in the case of a direction indicator of category 2b operated by a variable intensity control to obtain variable luminous intensity, photometric measurements shall be performed according to the applicant's description.
Still, it's hard to control the variables, isn't it?
The manufacturer shall provide a documentation package, which describes the basic design of the safety instrumented system and the means by which it is linked to other vehicle systems or by which it directly controls output variables.
The manufacturer shall provide a documentation package which gives access to the basic design of 'The System' and the means by which it is linked to other vehicle systems or by which it directly controls output variables.
the variable intensity control, if any;
The manufacturer shall provide a documentation package that gives access to the basic design of the system and the means by which it controls its output variables, whether that control is direct or indirect.
Usually, that's when a target is on the move... ...when there are too many variables to control them all.
This should describe any element of design and emission control strategy of the engine system and the means by which it controls its output variables, whether that control is direct or indirect.
The manufacturer shall provide a documentation package that gives access to any element of design and emission control strategy (ECS), and torque limiter of the engine system and the means by which it controls its output variables, whether that control is direct or indirect.
The manufacturer shall provide a documentation package that gives access to any element of design and emission control strategy (ECS), and torque limiter of the engine system and the means by which it controls its output variables, whether that control is direct or indirect.

Alternatives:

controlled variable
constant variable
held constant variable
kept constant variable
unchanged variable

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controlled variable vs control variable