What do you understand by validity and reliability of a research tool?

Validity and reliability are crucial concepts in research methodology that pertain to the accuracy, consistency, and trustworthiness of research tools, such as surveys, questionnaires, tests, or measurements. These concepts ensure that the results obtained from these tools are meaningful, credible, and can be generalized to the broader population or context being studied.

Validity refers to the extent to which a research tool accurately measures what it is intended to measure. In other words, a valid research tool accurately captures the construct or concept it is supposed ____ __________ ______ _______ ____ _____ _________.
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