DrBarton Observes Significant Differences in Computer Skills Between a Group

question 257

Multiple Choice

Dr.Barton observes significant differences in computer skills between a group of 30-year-olds and a group of 80-year-olds.Rather than being due to developmental changes,these differences are likely due to:

• A)longitudinal differences.
• B)variations in intelligence.
• C)aging.
• D)a cohort effect.

---

Definitions:

Growth Rate

The rate at which a company's sales or revenues increase over a specified time period.

Catch-Up Growth

The process by which a country or economy grows rapidly in order to close the gap with more developed economies.

GDP Per Person

A measure of a country's economic output that accounts for its population, calculated by dividing the GDP by the total population.

Real GDP

The total value of all goods and services produced by a country in a year, adjusted for inflation, reflecting the economy's actual growth.