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Why must many researchers repeat an experiment many different times before the result is conciderd valid?
Wiki User
∙ 11y ago
Repeated measurements of an experiment is one way of improving the result - or at least of improving the reliability of the result. Experimental error is a real thing. The reliability of an answer will go up as the square root of the measurements.
Sources of error are assumed to be non-systemic. That is , they are not an inevitable part of the measurement. For example, if your reference masses are in error, then all weighings using that reference mass will be in error.
Another method of gaining greater reliability in the result, is to have the measurement made by different experimental methods, and using different experimenters.
Wiki User
∙ 11y ago
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What would a scientist do before designing a experiment?
Be clear about the purpose of the experiment.
Why does the ambient temperature need to be measured before and after the experiment?
You measure the ambient temperature before the experiment in case the experiment is sensitive to ambient temperature. You want to record all of the environmental factors that might affect the experiment before starting it. You measure the ambient temperature after the experiment for the same reason, and also in case the experiment affected the ambient temperature. Depending on the experiment, environmental factors may need to be considered when analyzing the results.
The basic procedure used in a controlled experiment before changing any variables?
the answer is experiment
Why do scientists need to plan before an experiment?
Scientist need a plan before an experiment because if they don't have a plan the experiment wont come out right. And in science you work with allot of chemicals, so if your experiment had to work with chemicals and you don't have a plan you can burn your self and something can explode. they use the method....
Why is it important to let water to become still before an experiment?
If water is not still before an experiment then if the experiment involves measuring water then the measurement would not be accurate. Also if there is something in the water you might spill it out and spoil your experiment.
What would a scientist do before designing a experiment?
Be clear about the purpose of the experiment.
In a science experiment the answer you predict is called?
The answer you predict before starting the experiment is your hypothesis.
Why does the ambient temperature need to be measured before and after the experiment?
You measure the ambient temperature before the experiment in case the experiment is sensitive to ambient temperature. You want to record all of the environmental factors that might affect the experiment before starting it. You measure the ambient temperature after the experiment for the same reason, and also in case the experiment affected the ambient temperature. Depending on the experiment, environmental factors may need to be considered when analyzing the results.
The basic procedure used in a controlled experiment before changing any variables?
the answer is experiment
Should you wash your hands before you do an experiment?
Yes, you should always be sterile before performing any experiment as to not add any variables.
What part of a scientific experiment is the hypothesis?
The hypothesis is a personal explanation of what youbelieve will happen during an experiment before you proceed in doing that experiment.
Which of these are researchers studying to predict earthquakes?
changes that happen just before an earthquake A+
Why does the ambient temperature need to be measured before and after the?
You measure the ambient temperature before the experiment in case the experiment is sensitive to ambient temperature. You want to record all of the environmental factors that might affect the experiment before starting it. You measure the ambient temperature after the experiment for the same reason, and also in case the experiment affected the ambient temperature. Depending on the experiment, environmental factors may need to be considered when analyzing the results.
Do a research paper come before or after experiment?
After.
In a science experiment how long should the experiment turn out paper be?
It depends on what your experiment was. You should ask a teacher or someone that you know who has done this before.
What is the difference between experiment and hypothesis?
An experiment is the thing that you perform, and a hypothesis is the guess you make at the start (before the experiment) to determin what's going to happen.
Why do scientists need to plan before an experiment?
Scientist need a plan before an experiment because if they don't have a plan the experiment wont come out right. And in science you work with allot of chemicals, so if your experiment had to work with chemicals and you don't have a plan you can burn your self and something can explode. they use the method....
