Observational amp Experimental Studies

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=tleTvrCWzXo

This topic looks at the difference between observational and experimental studies. We look at the differences between cross-sectional, retrospective, and longitudinal observational studies. We then define the independent and dependent variables. Finally, we look at the Hawthorne effect, the placebo effect, and confounding variables. • Resources: • https://www.professorheather.com/intr... • FaceBook: / mathprofpierce • Twitter: / mathprofpierce • Website: https://www.professorheather.com • Patreon: / professorheather

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