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To be considered valid the results of a scientific experiment must be .?
To be considered valid, the results of a scientific experiment must be reproducible, meaning that other researchers should be able to replicate the experiment and obtain similar results. Additionally, the experiment must be based on a well-defined hypothesis and use appropriate methodologies to minimize bias and errors. Valid results should also be analyzed statistically to determine their significance and reliability.
Discuss why experimental results must be reproducible in order to be considered valid?
If the experiment is not reproducible, no one can perform the experiment independently to confirm the results.
If a scientist is doing an experiment and do not get the results they were hoping for what should they do?
If a scientist does not obtain the expected results from an experiment, they should first analyze the data carefully to ensure there were no errors in the methodology or experimental design. It’s essential to consider whether the results are valid and what they might indicate about the hypothesis. The scientist should also review relevant literature to see if similar outcomes have been observed and discuss their findings with colleagues for additional insights. Finally, they should document their results and consider revising their hypothesis or conducting further experiments based on the new data.
A scientist performs an experiment. The results of his experiment contradict a theory that is well-known in the scientific community. The scientist should?
The scientist should carefully analyze the experimental data to ensure that the results are accurate and reproducible. If the findings are valid, they should document the results thoroughly and share them with the scientific community, ideally through peer-reviewed publication. Engaging in discussions with other scientists may help to explore potential explanations and implications of the contradictory results. This process is crucial for the advancement of scientific knowledge, as it may lead to revisions of existing theories.
What does a reliable experiment mean?
A reliable experiment is one that can be proven or has been worked out several times giving valid or dependable results.
To be considered valid the results of a scientific experiment must be .?
To be considered valid, the results of a scientific experiment must be reproducible, meaning that other researchers should be able to replicate the experiment and obtain similar results. Additionally, the experiment must be based on a well-defined hypothesis and use appropriate methodologies to minimize bias and errors. Valid results should also be analyzed statistically to determine their significance and reliability.
Discuss why experimental results must be reproducible in order to be considered valid?
If the experiment is not reproducible, no one can perform the experiment independently to confirm the results.
If a scientist is doing an experiment and do not get the results they were hoping for what should they do?
If a scientist does not obtain the expected results from an experiment, they should first analyze the data carefully to ensure there were no errors in the methodology or experimental design. It’s essential to consider whether the results are valid and what they might indicate about the hypothesis. The scientist should also review relevant literature to see if similar outcomes have been observed and discuss their findings with colleagues for additional insights. Finally, they should document their results and consider revising their hypothesis or conducting further experiments based on the new data.
Why a control needed in a valid experiment?
A control is needed in a valid experiment because without controls then more then one variable is being tested. This can mess up the results.
How can you tell if the conclusion from an experiment is valid?
If you documented all your results, had a partner, had a witness, completed the experiment many times with the same results, and tested the experiment on the proper things then this would be good validation.
What makes a valid experiment?
A valid experiment is characterized by a clear hypothesis, a control group for comparison, random assignment of participants, and the ability to replicate the results. It should also have ethical considerations and controls in place to minimize bias and confounding variables.
Why calculate percent error after doing an experiment?
Because then you can assess how valid your results are =D
What does a reliable experiment mean?
A reliable experiment is one that can be proven or has been worked out several times giving valid or dependable results.
Can a experiment be reliable and not valid?
Yes, an experiment can be reliable but not valid. Reliability refers to the consistency of the results when the experiment is repeated under the same conditions, while validity assesses whether the experiment measures what it is intended to measure. For instance, a poorly designed experiment may produce consistent results (reliable) but may not accurately reflect the true relationship between the variables being studied (not valid). This highlights the importance of both concepts in research design.
What is the goal of a scientist to design an experiment?
The goal of a scientist in designing an experiment is to test a specific hypothesis or research question in a controlled and systematic manner. This involves identifying variables, establishing a clear methodology, and ensuring that the experiment can produce reliable and reproducible results. By carefully structuring the experiment, scientists aim to draw valid conclusions that contribute to the understanding of a particular phenomenon. Ultimately, the design should allow for the identification of cause-and-effect relationships within the study.
What The exact same experiment was conducted 17 times. how many times should the results have been similar for them to be valid?
For the results of the experiment to be considered valid, a commonly accepted threshold is that they should be similar at least 70-80% of the time. This means that out of 17 trials, the results should align in at least 12 to 14 instances. Consistency in these results would bolster the reliability and validity of the experiment's findings.
Should scientists repeat experiments to see if their data is reproducible?
Scientists make more mistakes than not. It is part of the business and why they call their work "experiments". As a working scientists you try to keep your basics constant. You control the pH of your solutions, the don't switch suppliers for even basic salts mid-experiment. Most importantly you repeat experiments several times and use statistical analysis to support your conclusions. The goal of scientist is to have his/her results confirmed by repetition by others. If it isn't reproducible than it isn't believable. But wrong conclusions.... Record your mistake in the results and talk about it in the conclusion/examination of data.
