Topic: research tools

Order Description Lund Research. Criterion Validity, 2012. https://dissertation.laerd.com/criterion-validity-concurrent-and-predictive-validity.php Trochim, W.M. Convergent & Discriminant Validity. Research Methods Knowledge Base, 2006. https://www.socialresearchmethods.net/kb/convdisc.php and they are typed down in instruction file please have understand all terms and write what you understand in youtube many lectures about these terms and example that give you clear understanding contact me for any misunderstanding