This video was created by OpenIntro (openintro.org) and provides an overview of the content in Section 1.5 of OpenIntro Statistics, which is a free statistics textbook with a $10 paperback option on Amazon.
Studies where the researchers assign treatments to cases are called experiments. When this assignment includes randomization, e.g. using a coin flip to decide which treatment a patient receives, it is called a randomized experiment. Randomized experiments are fundamentally important when trying to show a causal connection between two variables.
Designing Experiments | |
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