The Rule of 72 Implies That a Country Will Double

question 94

Multiple Choice

The Rule of 72 implies that a country will double its income in about 18 years if its growth rate is:

• A)4 percent.
• B)6 percent.
• C)8 percent.
• D)12 percent.

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Definitions:

Seattle Longitudinal Study

A research project initiated by K. Warner Schaie examining cognitive abilities across the lifespan, starting from 1956.

Cross-sequential Study

A research method that combines both cross-sectional and longitudinal designs to examine changes across different ages over time.

Adult Intelligence

The cognitive capabilities and mental skills of an adult, including problem-solving, reasoning, and memory.

Age 60

A stage in human life often considered the beginning of seniority or the late adulthood phase, with implications for health, work, and social roles.