From 1900 to 2010 Real GDP Per Person in the U.S

question 57

Multiple Choice

From 1900 to 2010 real GDP per person in the U.S. has ________.

• A) doubled
• B) grown by a factor of four
• C) grown by a factor of eight
• D) grown by a factor of twenty
• E) declined

---

Definitions:

Independent Variable

The factor in an experiment that is deliberately changed or manipulated to observe its effect on a dependent variable.

Equal Chance

A principle whereby each subject or experimental unit in a study has the same probability of being assigned to a particular group or condition.

Archival Research

Research methods involving the use of records or documents of the activities of individuals, groups, or organizations.

Records Or Documents

Stored information or evidence, in physical or digital form, containing data or knowledge.