Topic
What works in adult literacy when school is long over
Adult literacy programs deliver real but small reading gains. A 2011 trial of 198 adults, UNESCO’s 2025 count, and PIAAC surveys show what the evidence supports.
Home / Tags / Group
Group
Topic
Baseline Characteristics: How to Spot When a Study Compares Apples to Oranges
Two groups, one bold headline, and a hidden factor nobody mentioned. Learn how confounding and selection bias make studies compare apples to oranges, and how to spot it yourself.
Topic
Innovation meaning: what the word really carries in business and science
A new thing is not an innovation until someone uses it and value moves. The definition is stricter than the marketing suggests.