Fact Check: Israel Statistics Do NOT Show Vaccines Are Ineffective -- They Illustrate A Common Weakness With Overly-Simple Analysis
Fact Check
Do Israel's health statistics show COVID-19 vaccines are ineffective and have not changed health outcomes of Israelis? No, that's not true. The data demonstrate Simpson's Paradox, the name for a common statistical problem: a trend apparent in several groups of data disappears or reverses when the data are combined because you aren't considering an extra, and consequential, variable. Looked at…