FACT FIRST · ANALOGY SECOND
d and g
Factual definition
Cohen’s d and Hedges’ g are standardized mean differences, expressing a difference between group means in standard-deviation units. Hedges’ g includes a small-sample correction.
SATIRICAL ANALOGY — NOT A DEFINITION
The “how many standard deviations?” answer to “how big was the gap?”
Related entries in the source book
These are reading links, not claims that the guide entry defines this term.