How Can a Researcher Test the Validity of Cross-Population Generalizations

question 2

Multiple Choice

How can a researcher test the validity of cross-population generalizations?

• A)set higher confidence intervals
• B)conduct more research in other sites
• C)reduce sampling error
• D)select a larger sample

---

Definitions:

Delayed Development

A condition where a child does not reach developmental milestones within the typical age range, possibly indicating underlying health or learning issues.

Posterior Fontanelle

The soft spot at the back of a newborn's skull where the bones have not yet fully joined, allowing for brain growth and skull expansion.

Unsupported

Lacking external assistance, backing, or emotional or structural support, often leading to a feeling of isolation or insufficiency.

Concrete Operations

A stage of cognitive development in children, according to Piaget, where logical thinking develops but is limited to concrete objects and situations.