Science

# What is the difference between controlled or contrast and manipulated or tested variables?

###### Wiki User

in a scientific expiriment, the control (controlled variable) is the variable that stays the same between trials. the manipulated variable is the variable that you change between trials. for instance if you are measuring the effect of light on a growing plant, your contol would be the amount of water you use. the manipulated would be the amount of sunlight. there is also another variable. the independent variable. this is the one that changes between trials. it would be the amount of growth in the plant scenario.

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## Related Questions

Contrast= difference Comparison= same

Normally it is "in contrast with..." But "to" is used when the difference is being emphasized.

The difference is that high contrast has more black and low contrast has more white.

Contrast is the difference between the lights and darks of an image. The greater the difference between lights and darks, the higher the contrast.

well a independent variable is usually the one that is manipulated and is the x axis while the dependent is the one that depends on the independent and is the responding variable and the x-axis!A little saying i use is dry mix/dependent,responding,y axis/manipulated variable,independent,x axis.tale the first letter of all of that and you get dry mix.

Contrast is the difference between the "empties" and the "fulls".

Contrast in any difference, but in drawing it usually refers to difference in colouring (ie-a white flower on a black background provides high contrast).

Contrast is the difference in light and/or gloss that hits an object distinguishable. In ocular perception of the real world, contrast is resolved by the difference in the color and brightness of the object and other.

If you are working on a photograph in a darkroom, and not working on a digital photo, contrast can be controlled by using contrast filters when exposing variable contrast paper during printing. The higher number the filter has, the higher the contrast will be (the difference between the lightest and darkest shades in the photo will be more pronounced). Contrast in b&w can also be modified by using contrast filters on the camera lens at the time the photo is taken.If you are editing a digital photograph in Adobe Photoshop, you can adjust the contrast by clicking on "Enhance" and then going to "Adjust Brightness/Contrast."

Compare= When you find something that is the same about something. Contrast= When you find a difference in two certan things

Contrast can be a noun and a verb. Noun: e.g. a difference in lightness. Verb: To set in opposition to show the difference.

In Computer Programming and Mathematics, variables and constants are ways to refering to a value. For example X=1 and Y=2 The difference being, variables are meant to be arbitary and changable, while constants are meant to be fixed and unchangable. For example, there is no reason for the value of Pi to change. So the value of Pi would best be represented by a constant.

Contrast (in pictures) is the difference between the darkest and lightest colors.

Contrast is the difference between light and dark. The greater the difference, the higher the contrast. If the values are represented by a scale of 0-255, the ends of the scale represent the highest contrast. A value of 127 would represent neutral gray.

Contrast is to find difference between two things while comparison is to make difference between two things including positive and negative points to conclude which is better .

Contrast is to find difference between two things while comparison is to make difference between two things including positive and negative points to conclude which is better .

Comparing two things is finding what they have in common, contrast is how they are different.

Contrast Tom Robinson&amp;The Scottsboro Boys THERE WAS NO DIFFERENCE IN THE TRAILS!!!!!!!!!!!!!!!!!!

Dynamic simulation is the use of a computer program to model the time varying behavior of a system. In contrast, steady state simulations cannot model variations in variables over time.

A compare and contrast essay's purpose is to analyze the difference and similarities of two subjects.

Contrast is to find difference between two things while comparison is to make difference between two things including positive and negative points to conclude which is better .

Contrast is to find difference between two things while comparison is to make difference between two things including positive and negative points to conclude which is better .

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