Willis and Schaie's Longitudinal Study on Cognitive Performance Allowed for Comparisons

question 20

Multiple Choice

Willis and Schaie's longitudinal study on cognitive performance allowed for comparisons of __________.

• A)participants to a larger mainstream group, who possessed similar characteristics
• B)participants' current performance on cognitive tasks to their performance years earlier
• C)participants to others in various parts of the world and geographical locations
• D)participants' current performance to others who are at a different developmental stage

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Definitions:

GDP

Gross Domestic Product, the total monetary or market value of all the finished goods and services produced within a country's borders in a specific time period.

GNP

GNP, or Gross National Product, represents the total dollar value of all goods and services produced over a specific time period by a nation's residents, regardless of the production location.

Population

The total number of people inhabiting a particular area, region, or country.

Output Per Capita

The measure of a total output of a country divided by the number of people in the population, indicating average productivity.