Attached below is a YouTube video talking about the differences between Policies, Processes, and Procedures.

Difference between Policy, Procedure, and Processes

In order to complete a project, there are a series of steps that must be followed, known as processes. In contrast, procedures refer to the specific instructions that guide the completion of each process. Policies, on the other hand, are guidelines that establish how processes and procedures should be executed.

MT 14 – AA

Personal Understanding of Accuracy and Precision

Accuracy and precision are two crucial concepts in measurement and data analysis. They are commonly used to describe the quality of data obtained from a measurement or experiment and are crucial for ensuring that the data are dependable and meaningful.

Accuracy pertains to how close a measurement is to the true or actual value of what is being measured. It\’s a measure of how well a measurement represents the actual value. The more accurate a measurement is, the closer it is to the true value. Precision, on the other hand, refers to how consistent or reproducible a set of measurements is. It\’s a measure of how well a measurement can be repeated. A precise measurement yields similar results each time it is repeated.

To differentiate between accuracy and precision, consider the example of shooting arrows at a target. If all your arrows hit the center of the target, your shots are both accurate and precise. If your shots are tightly clustered, but not near the center of the target, they are precise but not accurate. If your shots are randomly scattered across the target, they are neither accurate nor precise.

Another example could be from a lab experiment where a researcher measures the weight of a chemical sample. If the researcher\’s measurement is very close to the true weight of the sample, then the measurement is accurate. However, if the researcher repeats the measurement multiple times and gets the same weight each time, the measurements are precise but may not necessarily be accurate if they are not close to the true value.

The importance of accuracy and precision may vary depending on the context and application. In medical diagnosis, for example, accuracy is often more critical than precision. A highly accurate medical test can provide a correct diagnosis even if it is not highly precise. In contrast, in scientific research, precision is often more important than accuracy. A set of precise measurements can help researchers identify patterns and trends, even if the measurements are not perfectly accurate.

In conclusion, both accuracy and precision are essential concepts in measurement and data analysis. Although they are related, they are distinct and their importance may vary depending on the context and application. Striving for both accuracy and precision is vital for obtaining reliable and meaningful results in any field.

Laboratory controls are a set of procedures, practices, and measures that are put in place to ensure the accuracy, reliability, and consistency of laboratory test results. These controls are essential for maintaining the quality of laboratory testing and ensuring that test results are valid and useful for making informed decisions.

One example of laboratory controls is quality control measures. Laboratory personnel may use internal quality control measures to monitor the accuracy and precision of test results. This may involve using control samples with known values to compare with test results. This ensures that the results are within an acceptable range of values, and any deviation from this range can be investigated to determine the cause and take corrective action.

Another example of laboratory controls is the use of standard operating procedures (SOPs). Laboratories may have SOPs in place for each test or procedure to ensure that they are performed consistently and accurately every time. SOPs may include instructions on sample handling, test performance, and data interpretation. These procedures help to reduce the risk of errors and ensure that the results obtained are reliable.

Laboratory instrument calibration and maintenance is also an important aspect of laboratory controls. Laboratory instruments must be calibrated and maintained regularly to ensure that they are working properly and producing accurate results. This involves regular checks of instrument performance, adjustment of instrument settings, and replacement of worn or defective parts.

Personnel training and competency assessment is another key component of laboratory controls. Laboratory personnel must be trained and assessed for competency in the procedures they perform. This may include proficiency testing and ongoing training to ensure that they are up to date with the latest techniques and procedures. This helps to ensure that laboratory personnel are capable of performing tests accurately and consistently.

Overall, laboratory controls are critical for ensuring that laboratory test results are reliable, accurate, and consistent. These controls help to ensure patient safety, support clinical decision-making, and maintain the quality of laboratory testing.

QUALITY CONTROL IN THE LAB – YouTube

https://youtu.be/glBcseZG9sw

RELATED VIDEO:Principles of Measurementshttps://www.youtube.com/watch?v=gUfclzC6Q-UPLEASE SUBSCRIBE TO SEE MORE VIDEOS :)⚠️ This channel does not claim any …

Accuracy is a measure of how close a measurement is to the correct or accepted value of the quantity being measured. Precision is a measure of how close a series of measurements are to one another. Precise measurements are highly reproducible, even if the measurements are not near the correct value.

3.12: Accuracy and Precision – Chemistry LibreTexts

https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/Introductory_Chemistry_(CK-12)/03%3A_Measurements/3.12%3A_Accuracy_and_Precision

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