A Problem with the Results from Cross-Sectional and Longitudinal Research

question 53

Multiple Choice

A problem with the results from cross-sectional and longitudinal research on the sexual activity of adults in the United States is that ___________.

• A) the substantial majority are no longer sexually active
• B) the substantial majority are still sexually active
• C) it reduces a complex human interaction to a simple frequency count
• D) the data do not allow us to determine the answer to sexual frequency

---

Definitions:

Radios

Devices for receiving and sometimes transmitting sound waves over distances using electromagnetic waves.

Specialize And Trade

A concept in economics where individuals or nations focus on the production of a limited range of goods at which they are most efficient, and then trade with others to meet their diverse needs and wants.

Import

The act of bringing goods or services into one country from another for the purpose of sale.

Compasses

Instruments used for navigation and orientation that show direction relative to the geographic cardinal directions (North, South, East, and West).