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How do scientists ensure the validity of their conclusions when performing an experiment?
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What is the soundness of conclusions can be drawn from an experiment?
Validity
What is the soundness of the conclusions that can be drawn from an experiment?
Validity
When the experiment is complete what does the researcher do?
Repeats the experiment for validity
Why do scientists take measurements in a standard way?
It is a fundamental requirement of scientific research that experiment can be replicated so that other experimenters can validate results. This would be impossible unless scientists used standard units and methods of measurement.
What is the process in which scientists check each other's work before publication in science journals?
The process is called peer review. Peers review the data and the experiment that was done in order to access its validity.
What is the soundness of conclusions can be drawn from an experiment?
Validity
What is the soundness of the conclusions that can be drawn from an experiment?
Validity
How does sample size affect the validity of an experiment?
The sample size has no effect on the validity of an experiment: instead, it is the experimental procedure and integrity of the experimenters.The sample size can affect conclusions that may be drawn from an experiment. The larger the sample is, the more reliable these conclusions are.
Which step of scientific method do you perform after you form a hypothesis?
You need to design an experiment to test the validity of the hypothesis.
WHAT I LEARN IN PHYSICAL CHANGE?
What you learn is up to you, involving how carefully you observe, what you record, and what conclusions your draw. The second stage is of course to formulate an experiment to test the validity of your conclusions.
When the experiment is complete what does the researcher do?
Repeats the experiment for validity
What increases the validity of an experiment?
Repeated trials of said experiment.
Can a study have internal validity but not external validity?
Yes. Internal validity is whether or not the experiment is studying what it intends to. External validity is whether or not the study can be generalised outside of the study. For example, if you had a perfect experiment set up, that measures something perfectly, then it will have internal validity. You haven't, however, shown that you would get the same results in different cultures, or in different time periods. Thus the experiment may not have external validity.
What is the process by which scientists check each others work before publication in science journal?
The process called by which scientists check each others work is known as Peer Review.
Why do scientists take measurements in a standard way?
It is a fundamental requirement of scientific research that experiment can be replicated so that other experimenters can validate results. This would be impossible unless scientists used standard units and methods of measurement.
What is the process in which scientists check each other's work before publication in science journals?
The process is called peer review. Peers review the data and the experiment that was done in order to access its validity.
Which step of scientific inquiry involves organizing and interpreting the date?
The step of scientific inquiry involves organizing and interpreting the data is called forming the hypothesis. Scientists test hypotheses to conclude an experiment's validity.
