Validity and reliability. Literature & Language Essay.

Validity and Reliability
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Validity and Reliability
In quantitative research, validity and reliability are important aspects of measurement. Whereas validity is a generic terminology that refers to a concept used in terms of measurement devices like questionnaires, tests, and interviews, reliability is a classic method of measuring twice and comparing the two measurement sets to check if they are consistent with each other. Generally, reliability seeks to check the consistency of a measure, while validity encompasses a measure's accuracy. The two principles are critical in statistical analysis. They are meaningful measurements that need to be taken into consideration when evaluating the progress of a variable under investigation. Validity and reliability are important aspects in statistical...