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scientists test their hypothesis buy making observations or doing research

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Q: How can a scientist test a hypothesis if he or she cannot do a controlled experiment?
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How can a scientist test a hypothesis if she or cannot do a controlled experiment?

scientists test their hypothesis buy making observations or doing research


What is the difference between a controlled experiment and a controlled group?

a controlled group is like an idea but an experiment that is controlled cannot be changed.


How does a scientist explain something when a controlled experiment when a controlled experiment cannot be carried out?

'm not sure what your asking but I will attempt to explain what I believe you are saying... If event "x" happens and the data is recorded... By making assumptions based on facts that are known a person can conclude "y" hypothesis is the cause, however if no experiment can be done to test this or if the experiment cannot take into account extraneous and confounding variables, then the hypothesis is unable to be tested and remains an "educated guess"... There are ways around this however... Large diverse sample sizes eliminate the possibility that it is just some random occurrence brought by something else for example..


What is the variable that cannot be controlled in an experiment?

The dependent variable.


A scientist on television states that a hypothesis cannot be proven Access why this statement is correct?

When a hypothesis is proven, it is no longer a hypothesis; a proven hypothesis is a theory.


Can a controlled variable be changed during an experiment?

No it cannot be changed in an expirement


Why can a supported hypothesis not be called a theory?

A hypothesis cannot be call a theory because,it has not supported a prediction even in the face of several experiment.


How do scientists try to answer questions that cannot be tested with experiments?

To answer a specific question, scientist form a hypothesis. If the hypothesis cannot be testable or answered, they'll give you a prediction of what will most likely happen from the results of the hypothesis.


Why is the hypothesis that black cats cause bad luck not science?

The results of studying the hypothesis are not repeatable and are open to judgement. The hypothesis cannot be tested by controlled experiments.


When scientists cannot use a controlled experiment to test something what do they depend on?

Observation


Explain how scientists try to answer questions that cannot be tested with experiments and give an example?

To answer a specific question, scientist form a hypothesis. If the hypothesis cannot be testable or answered, they'll give you a prediction of what will most likely happen from the results of the hypothesis.


Why must the parameters of a scientific experiment be controlled?

If the parameters are not controlled in a scientific experiment, then one cannot be sure what the variables are. Unless you conduct the experiment in a closed environment with only only one variable, one's results can be confusing and inconclusive.


What is the independent and dependent variable in physics?

In an experiment, an independent variable is the one which can be varied and controlled by the experimenter. The dependent variable depends on the independent variable and cannot be controlled.


Why must an hypothesis be testable?

If a hypothesis does not generate any observational tests, there is nothing that a scientist can do with itRead more: Explain_why_a_hypothesis_must_be_testableANS2:If an hypothesis is not testable, it cannot be provable false. If it cannot be provable false it cannot be supported. If it cannot be supported, it adds nothing to science. An hypothesis is a "no-win" proposition. You need to try to prove it false. That being the case, you either prove it false (lose) or you fail to prove it false (lose). Failing to prove an hypothesis false is the basis for supporting it.


Why must an experiment be able to be conducted by scientist?

A theory is useless if it cannot be tested and verified/disproven. That is the purpose of experiments.


What is the difference between a scientific hypothesis and a scientific theory?

A scientific hypothesis is an educated guess of what will happen in the experiment. A scientific theory is someone's thoughts on why something happened in an experiment. However, this cannot be proven. The opposite of this is a scientific law. This is statement of what will always happen under the same conditions.


Can a scientist on television state that a hypothesis cannot b proven?

Absolutely !... He's entitled to his opinion... However - the TV station is likely to broadcast a disclaimer.


What hypotheses most likely cannot be tested with a controlled experiment?

In the wild, chimpanzees form social groups composed of 10 to 20 individuals.


What are the muscles called that cannot be controlled?

Muscles that cannot be controlled are involuntary muscles.


How do tornadoes can be controlled?

Tornadoes cannot be controlled.


Can a falsifiable hypothesis be tested?

i think it cannot be tasted since it is a falsifiable hypothesis.


What are the factors that can change in an experiment called?

Environmental factors if you cannot control them.Variable factors if you can control them.See link below for easy explanation:In an experiment the scientist is able to change the independent variable. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens. - See more at: http://www.chacha.com/question/what-part-of-an-experiment-is-the-factor-that-you-change#sthash.iyH25Jac.dpufIn an experiment the scientist is able to change the independent variable. To insure a fair test, a good experiment has only one independent variable. As the scientist changes the independent variable, he or she observes what happens. - See more at: http://www.chacha.com/question/what-part-of-an-experiment-is-the-factor-that-you-change#sthash.iyH25Jac.dpuf


Factor that can cause a change in the results of an experiment?

Many times these are things that cannot be controlled. Some factors may be temperature, time of day, and the materials that are used.


Would it be possible to test a hypothesis?

If you cannot test it, then hypothesis is probably the wrong word for it.


What are limitations in an experiment?

Limitations are factors that you cannot control in an experiment, no matter what you do.