![]() If the research depicts high validity, this means that it produces results that correspond well with characteristics, variation and real properties in the physical or social world. In simple words, validity is the accuracy of the measurement. ![]() Thus we can say that a valid instrument is always reliable. Validity is the extent to which the research instrument measures what it is intended to measure. This also means that the quantity neither decrease nor increase on being measured multiple times. For instance, when you weigh the same quantity of rice on a beam balance repeatedly with the result remaining the same all through the measurement process, you refer to this weight as reliable. This simply means that if the results appear similar again and again, provided that the condition is the same, then we refer to the measurement as reliable. Reliability is the degree to which a scale is able to produce consistent results when repeated measurements are taken under the same situation. This means that a measurement can be reliable without being valid, but it can also be reliable if a measurement is valid. ![]() Reliability refers to the consistency of a measure, whereas validity refers to the accuracy of a measure. Reliability and validity are very closely related, but they have different meanings and aspects. ![]()
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