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Science for Kids – How to Collect Data in an Experiment
Data collection in any experiment is crucial to the accuracy and precision of a science project. More importantly, when data from experiments are properly collected, the information gathered provides the scientist with validity and credibility for the scientific project. These are valuable skills for any scientist to succeed in any field. When science students collect data for a science project, they should be aware of these basic steps: precision, accuracy, validity, and reliability.
Accuracy data is repeatability
In many cases, science students working on their school science projects have to repeat their experiments. This is to provide justification for previous experiences. But this also explains why the data collected is precise. The more accurate the data collection, the more accurate the result. Perhaps science students need to repeat an experiment to verify an unsuccessful or incomplete result. Other times, experiments don’t work up to standard. In other cases, the experiments are incomplete due to lack of equipment or time. Therefore, the more repetitions in an experiment, the better the results.
Accurate data is correct information
The accuracy of the data collected by science students means how close this result is to the true value. In statistical terms, a true value is data that approximates the correct record. This way, the more accurate a measurement is in a particular instrument, the more accurate that value is for the experiment. Therefore, many instruments must be calibrated to standards to provide accurate results. When an instrument is not calibrated, the measurements of that instrument lack validity. Calibration is the act of standardizing an instrument to its specific graduations. For example, a weigh scale in a grocery store is calibrated with weights to provide the most accurate weight in pounds. Thus, the calibration of an instrument is an essential part of the accuracy and precision of a result.
Valid data is real scientific content
When science students provide real data, it also lends legitimacy to their science projects. In fact, without validity in science projects, they seem unreliable. For other scientists, when validity is compromised in certain science experiments or projects, it sends a negative signal that they weren’t serious about their project. In science, experiments may not provide the results they can predict. But a negative data in a scientific experiment can also mean a good result. He can prove or disprove the hypothesis. It can provide additional information to other science experiments. It can establish the possibility of further analysis of the data. Therefore, a valid science experiment not only provides valid results, but it also provides an honest science student.
Reliable data is reliable evidence
If science students approach their science projects with validity, their data becomes more reliable. When experiments are conducted with conviction to obtain the best and most accurate data, they can be confident about their scientific projects. Reliable results form the basis of a legitimate reputation for science students. But it also establishes that the information collected by science students is reliable, valid, accurate and precise. In fact, science students who take every step in their science experiments to get results understand that science is a learning process.
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