correlation

A "huge amount" of observational research, often based on surveys, has tracked a correlation between teen tech use and worse mental health, she told AFP.

This inverse correlation is illustrated in the chart above.

In other words, correlation is not the same as causation.

But the good news for stocks is that “historically, profit margins have shown a strong positive correlation with fiscal deficits, with a roughly one-year lead — higher deficits tend to precede higher margins,” they say.

Lately, though, the conventional wisdom has been challenged, and for good reason: Independent, peer-reviewed research has found no correlation—let alone causation—between diversity and performance.