precision articles

What distinguishes precision from accuracy?

The terms precision and accuracy are often used interchangeably in casual conversation, yet in scientific, engineering, ...

How do confidence intervals inform estimates?

When we survey people, run an experiment, or analyze data, we often end up with a single number—a *point estimate*—that ...

What limits measurement precision?

The effort to measure something accurately is often met with barriers, some stemming from the tools we use, others from ...