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What does develop a hypothesis mean in science?
A hypothesis is an attempt to explain a phenomenon, based on partial information. Developing a hypothesis is finding a method for testing it: identifying something which is more likely to happen if the hypothesis were true and not if it were not. The next part of developing it is to design an experiment which can be used to test these outcomes.
What is null hypothsis?
It is the hypothesis that is presumed true until statistical evidence in the form of a hypothesis test proves it is not true.
Can the alternative hypotheses be true and false?
Yes, the alternative hypothesis can be either true or false, depending on the context of the study or experiment. In hypothesis testing, the alternative hypothesis represents a statement that contradicts the null hypothesis; thus, only one can be true at a given time. If the alternative hypothesis is true, it suggests that there is a significant effect or difference, while if it is false, it indicates that the null hypothesis holds true. Ultimately, statistical tests aim to gather evidence to support one hypothesis over the other.
What is Hypothesis Testing of Type I Error?
Rejecting a true null hypothesis.
What is a hypothesis that has been tested many times and found to be true?
If a hypothesis has been tested many times (using approved experimental methods), and each test has proven the hypothesis to be true, the hypothesis can be taken to be a fact, or truth.
Does a scientist consider a hypothesis to be a fact?
Scientist consider hypothesis to be an educated guess on what they are studying. If that scientist researches and experiments more, he will see if his hypothesis is true or false.
Is a scientific hypothesis set in stone?
No, a "hypothesis" is a geuss. In an expirement, a scientist will come up with a hypothesis, and then see if it is true. Therefore, a hypothesis is NOT set in stone until proven.
What does it mean if a scientist can't reject a hypothesis?
It means that she or he has to accept that the existing hypothesis appears to be true.
Why does peer review make scientific data sound more reliable?
Peer reviewing involves other scientists testing the data that one scientist has produced and finding it either true or false. If more than the original scientist proves the hypothesis, then the answer is considered more reliable.
What do scientist do after an experiment?
They draw inferrences or conculution whether the theory is true or false. They validate or disapprove the hypothesis.
What should a scientist do if their hypothesis is disproved?
If a scientist's hypothesis is disproved, they should analyze the data and results to understand why the hypothesis did not hold true. This may involve revisiting their methodology, considering alternative explanations, and conducting additional experiments. The scientist can then refine their hypothesis or develop a new one based on the insights gained. Ultimately, disproving a hypothesis can be a valuable part of the scientific process, leading to greater understanding and new avenues of research.
WHat do scientist do after doing an experiment?
They draw inferrences or conculution whether the theory is true or false. They validate or disapprove the hypothesis.
A scientist who performs an experiment has no idea what the outcome of the experiment is going to be true or false?
True. In an experiment, a scientist formulates a hypothesis, designs the experiment, collects data, and then analyzes the results to draw conclusions. The outcome of the experiment is not known beforehand, and it is the results of the experiment that will either support or refute the hypothesis.
How can finding out that a hypothesis is not true be for scientists?
Remember that a hypothesis is a 'good' guess about a question. If a scientist comes up with a hypothesis, she will test it and then see if the testing will say 'yes'. She will then do these many times and if the answer still is 'yes' she will have it published. Many others in the same field will then review that data and they will add to the information or they may not agree.
What doesit means if a scientist fails reject a hypothesis?
If a scientist fails to reject a hypothesis, it means that the evidence gathered from their experiments or observations was not strong enough to disprove the hypothesis. This does not confirm the hypothesis as true; instead, it suggests that there is insufficient evidence to support an alternative explanation. It is important to note that failing to reject a hypothesis does not provide proof of its validity, and further research may be needed to draw more definitive conclusions.
What does it mean if an scientist fails to reject a hypothesis?
If a scientist fails to reject a hypothesis, it means that the data collected from experiments or observations did not provide sufficient evidence to disprove that hypothesis. This does not necessarily prove the hypothesis to be true; rather, it indicates that there is not enough support to conclude it is false. The results may suggest that further research is needed to explore the hypothesis more thoroughly. Ultimately, the failure to reject a hypothesis is a part of the scientific process and contributes to the ongoing evaluation of scientific theories.
What do scientists design to test a hypothesis?
A hypothesis is a tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation. Basically, it's an educated guess to a question. Testing a hypothesis is the only way to prove this statement correct or incorrect. A scientist conducts an experiement, using constants and variables, and draws conclusions against the hypothesis. This will prove it to be true or untrue.
