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Related Concept Videos

Accuracy and Precision01:52

Accuracy and Precision

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Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.  Highly accurate...
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Uncertainty in Measurement: Accuracy and Precision03:37

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Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. 
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Rules for Significant Figures01:44

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In any measurement, the precision of the measuring tool is an essential factor. An ordinary ruler, for example, can measure length to the closest millimeter; a caliper, on the other hand, can measure length to the nearest 0.01 mm. As a result, the caliper is a more precise measurement tool because it can measure extremely minute changes in length. The measurements will be more accurate if the measuring tool is more precise.
It should be emphasized that when we represent measured values, the...
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Significant Figures in Calculations00:58

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Uncertainty in measurements can be avoided by reporting the results of a calculation with the correct number of significant figures. This can be determined by the following rules for rounding numbers:
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Uncertainty in Measurement: Significant Figures03:34

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All the digits in a measurement, including the uncertain last digit, are called significant figures or significant digits. Note that zero may be a measured value; for example, if a scale that shows weight to the nearest pound reads “140,” then the 1 (hundreds), 4 (tens), and 0 (ones) are all significant (measured) values.
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Uncertainty in Measurement: Reading Instruments02:46

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Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
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Focusing on "Precision" in Precision Education.

Catherine Patocka, Lea Harper, Rachel H Ellaway

    Academic Medicine : Journal of the Association of American Medical Colleges
    |September 19, 2025
    PubMed
    Summary
    This summary is machine-generated.

    Precision education, inspired by precision medicine, offers tailored learning in health professions education (HPE). However, focusing on specific precise aspects may decrease overall system precision, requiring careful consideration of trade-offs.

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    Area of Science:

    • Health Professions Education
    • Educational Paradigms
    • Precision Medicine Applications

    Background:

    • Precision medicine is revolutionizing healthcare delivery.
    • This has prompted exploration of
    • precision education
    • within Health Professions Education (HPE).

    Purpose of the Study:

    • To critically examine the multifaceted dimensions of precision in HPE.
    • To explore the implications of precision across various HPE aspects.
    • To foster a nuanced dialogue on the desirability and pursuit of precision education.

    Main Methods:

    • Scholarly perspective analysis.
    • Critical examination of precision concepts.
    • Exploration of diverse HPE applications of precision.

    Main Results:

    • Precision in HPE encompasses accuracy, consistency, fidelity, and meticulousness.
    • Applications include personalized learning, instructional methods, data analytics, admissions, and systems.
    • Overemphasis on localized precision may reduce overall system precision.

    Conclusions:

    • Pursuing precision in specific HPE areas can yield localized benefits but may compromise broader system precision.
    • The effectiveness and practicality of precision in HPE are context-dependent.
    • A nuanced dialogue is needed to determine desirable aspects and levels of precision in education.