Taking a Broader Perspective: the Problem of External Validity We

question 4

Multiple Choice

Taking a Broader Perspective: The Problem of External Validity We can increase the external validity of our data and broaden the scope of experimental findings by grouping together and averaging data.Epstein (1980) called this process

• A)aggregation.
• B)field experimentation.
• C)multivariate analysis.
• D)unobtrusive measurement.

---

Definitions:

Hardened

A process or condition of making or becoming more rigid, tough, or resistant usually through heat treatment or alloys in metals.

Vocational Off-highway

Pertaining to specialized vehicles used in industries such as construction, mining, and agriculture that operate primarily off public roads.

Linehaul Trucking

The transportation of goods over long distances, typically between cities or major ports, using large trucks.

Less-than-load

A shipping term that refers to cargo that does not require the full space of a truck or shipping container, often abbreviated as LTL.