A Psychologist Tests the Memory Span of Children

question 43

Multiple Choice

A psychologist tests the memory span of children.Seven-year-old Perry is asked to recall the following list of numbers: 2,4,7,8,3,1,5.Given the typical short-term span of a 7-year-old,how many numbers will Perry remember?

• A) 3
• B) 4
• C) 5
• D) 9

---

Definitions:

Competitive Labor Market

A labor market scenario where numerous firms actively seek to hire from a large pool of available workers, with wage rates determined by supply and demand.

Labor Supply Curve

A graphical representation showing the relationship between the quantity of labor that workers are willing to offer and the wage rate, holding all other factors constant.

Labor Demand Curve

A graphical representation of the quantity of labor that employers are willing and able to hire at different wage rates.

Marginal Revenue Product

The additional revenue generated by employing one more unit of a factor, such as labor or capital.