what are the characteristics of good measuring instruments?
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['RELIBILITY. RELIBILITY - is the consistency of your measurement, or the degree to which an instrument measures the same way each time it is used under the same condition with the same subjects. ... ', 'VALIDITY. ... ', 'PRACTICIBILITY. ... ', 'USABILITY. ... ', 'MEASUREABILITY.']
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When measuring the weight or mass of a small object, you can use a scale or a balance. You can use a scale to measure milligrams, centigrams, grams, and small numbers of kilograms. When measuring small amounts of capacity, you can use a graduated cylinder. Graduated cylinders can measure milliliters and centiliters.
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['Verifiable. ... ', 'Ethical neutrality. ... ', 'Systematic exploration. ... ', 'Reliable or reliable. ... ', 'Accuracy. ... ', 'Accuracy. ... ', 'Abstraction. ... ', 'Predictability.']
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['the kilogram (kg), for mass.', 'the second (s), for time.', 'the kelvin (K), for temperature.', 'the ampere (A), for electric current.', 'the mole (mol), for the amount of a substance.', 'the candela (cd), for luminous intensity.', 'the meter (m), for distance.']
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['the manufacturing process;', 'the material used;', 'the sensitivity of the features to variations.']
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['Specific - do not make it too broad and chose something you are interested in. ... ', 'Measurable – ensure that there is something you can easily measure to demonstrate any change.']
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The criteria for selecting the right needle has three primary considerations--gauge, length, and use. Needle gauge measures the width or diameter of the needle. Length measures from the hub to the tip of the needle.
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Test instruments or meters are the most common pieces of electrical equipment that measure these values. Voltmeters are used to measure voltage;ammetersare used to measure current; ohmmeters are used to measure resistance; and watt meters are used to measure power.
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What Makes a Good Test? There are three basic elements to look for when judging the quality of a psychological test — reliability, validity, and standardization. RELIABILITY is a measure of the test's consistency. A useful test is consistent over time.
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2 MEASURABLE PROPERTIES Measurable properties are those that can be measured using scientific tools. Today we will learn about the following measurable properties of matter: length, mass, temperature, and volume.
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['air pressure.', 'anemometer. a device that measures wind speed.', 'barometer. an instrument that measures atmospheric pressure.', 'observation. something that is learned from watching and measuring an object or pattern.', 'rain gauge. ... ', 'sling psychrometer. ... ', 'thermometer. ... ', 'visibility.']
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['Comprehensiveness.', 'Clarity.', 'Homogeneity.', 'Suitability.', 'Stability.', 'Elastic.']
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['Valid. A valid questionnaire should ask what it intends to ask, i.e. the questions should be phrased in such a way that the respondent understands the objective of the question. ... ', 'Reliable. ... ', 'Interesting. ... ', 'Succinct.']
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Length: Tools used to measure length include a ruler, a Vernier caliper, and a micrometer screw gauge. Vernier calipers and micrometer screw gauges are more precise and can be used to measure the diameter of objects like pipe and wire.
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['Rulers and scales: Rulers and scales are usually single steel plate type tools to measure length and perimeter of objects.', 'Calipers: Calipers are of two types : inside and outside calipers. ... ', 'Vernier Calipers: These precision tools are used to measure smaller distances accurately.']
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But to qualify as good research, the process must have certain characteristics and properties: it must, as far as possible, be controlled, rigorous, systematic, valid and verifiable, empirical and critical. The main characteristics for good quality research is listed below: It is based on the work of others.
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The fundamental properties that we use to measure matter in are; Inertia, Mass, Weight, Volume, Density and Specific Gravity. The periodic table is a visual method of interpreting the chemical properties of elements which effect the measurements below.