5. Define the terms reliability 1 and validity in relation to research and analysis Reliability Reliability and validity are concepts used to evaluate the quality of research. They indicate how well a method, technique or test measures something . Reliability is about the consistency of a measure , and validity is about the accuracy of a measure It's important to consider reliability and validity when you are creating your research design .planning your methods . and writing up your results .especially in quantitative Validity Reliability and validity are concepts used to evaluate the quality of research. They indicate how well a method, technique or test measures something . Reliability is about the consistency of a measure , and validity is about the accuracy of a measure It's important to consider reliability and validity when you are creating your research design .planning your methods . and writing up your results .especially in quantitative 1 Reliability and validity are concepts used to evaluate the quality of research. They indicate howI well a method .technique or test measures something .Reliability is about the consistency of a measure . and validity is about the accuracy of a measure