What are the methods to ensure validity and reliability?

In research, it is essential to ensure that the data collected is valid and reliable. There are several methods to ensure validity, which include content validity, construct validity, and criterion validity. Content validity refers to the extent to which the measurement represents all aspects of the concept under investigation. Construct validity determines whether the measure assesses the concept it is intended to measure. Criterion validity is established when the method used to measure a construct is compared to an existing gold standard. On the other hand, reliability refers to the consistency of measurements over time. To ensure reliability, researchers can use test-retest, inter-rater reliability, and internal consistency methods. Test-retest reliability measures consistency over time, inter-rater reliability measures consistency between different raters, while internal consistency measures the reliability of different items measuring the same construct.

This mind map was published on 20 April 2023 and has been viewed 118 times.