I know what you know

Do you know what you don't know?

Do I know that you know what you know? Modeling testimony in causal inference

We rely on both our own observations and on others’ testimony when making causal inferences. To integrate these sources of information we must consider an informant’s statements about the world, her expressed level of certainty, her previous accuracy, and perhaps her apparent self-knowledge – how accurately she conveys her own certainty. It can be difficult to tease apart the contributions of a...

I Know What I Know

How important is software construction? Software construction has been the awkward stepchild of software engineering for decades. This puzzles me because software construction is the only activity that’s guaranteed to be done on every project. Code is the center of the software universe. Process advocates tend to downplay coding, focusing more on the documentation that occurs before and after c...

I know what you did after school.

A17-year-old male presented to the emergency department in a blood-stained school uniform. He looked weak and pale. He was rushed to the major-resuscitation area. He had apparently been stabbed multiple times after school. The weapon was a narrow, 6-inch knife. Primary survey revealed an intact airway and slightly diminished breath sounds over the right lung field. His trachea was midline, and ...

EIC's Message: Do You Really Know What You Know?