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You can't have bias because of your hypothesis. It's important to have an open mind.
"A hypothesis is an educated guess to attempt an explain an oberservation or answer a question." It's pretty simple, make an educated guess about an oberservation or question. A hypothesis isn't very reliable.
The hypothesis drives the investigation.
To clearly state why the experiment was performed
putting a certain hypothesis is important for the person making a certain experiment.For exampe,if s/he were a scientist,the hypothesis would help in knowing what experiments should be done(in another words,NO hypothesis-->NO experiments will be done).
To form an experimentally testable idea to explain observations.
It is important for scientists to state a conclusion in order to compare their hypothesis to the data that they observed.
It is important yo record your observations so that you can always go back over what had just happened that way your hypothesis is clear.
A hypothesis is testable when we can determine experientially whether it is likely to be false or more likely to be true. That means we must be able to distinguish between it being true or false observationally. Thus, equally important to finding observations that confirm the hypothesis, we must be able to specify what it is we expect to see in the case that the hypothesis is false: the hypothesis must be falsifiable in order to be testable.It must be able to be proved right or wrong.
They rely on there conclusions based on observations.
Observation helps scientists gather an collect data, which without, their experiment(s) could not exist
It must be proven from right to wrong
You can't have bias because of your hypothesis. It's important to have an open mind.
A scientist may create an hypothesis on the basis of their observations. If their observations are carelessly made or recorded then any hypotheses they offer will be inaccurate reflections of nature. A scientist may alternatively collect observations to test an hypothesis. If these observations are carelessly made or recorded then the conclusions that the scientist makes about the hypothesis could very well be incorrect. At the very least the conclusions they draw would not be based on sound evidence (because the observations are unsound).
It is important to distinguish inferences from facts for several reasons. An inference is simply a prediction or hypothesis, while a fact is something that has been proven, and they are very different from one another.
So They Can Have The Accurate Answers
Scientists first create an hypothesis. They develop methods to prove their hypothesis. In order for other scientists to replicate the findings and prove or disprove another scientist's outcome, the original scientist MUST describe the methods used and the findings.