Problem:
Put this in your own words, detailed paragraph, keep resources cited, make sure no plagiarism and no artificial intelligence: Validity and reliability-Without ensuring the proper validity and reliability of the assessment tool or research design, the results of any data gathered will be questionable, lack of external validity, and will reduce the generalizability of your research. Establishing reliability in research will help ensure the consistency, repeat-ability, and trustworthiness of a research design and create confidence in the use of the assessment tool. Researchers need to determine the validity and reliability of each assessment to ensure that they are not misleading their readers and the data can be trusted based on statistical evidence to support their conclusions. Reliability is the ability of consistency of the results over multiple tests. This process can be calculated by determining various measurements such as test-retest reliability, parallel-form reliability, split-half reliability by calculating a correlation coefficient or a t-test. Validity is the extent in which a test will measure what is said to test, which can be established by looking and measuring face validity, content validity, criterion-related validity, and construct validity. Validity can be established by using various experts to determine if a test is clear and relevant using a tool such as content validity index. Need Assignment Help?