A Researcher in the Area of Cognitive Functioning Has Designed

question 35

Short Answer

A researcher in the area of cognitive functioning has designed a new test of creativity, called the CIA test (Cognitive Information Assessment). A random sample of ten, five-year-old children is selected and given the test. A week later the same test was administered for a second time. Estimate the reliability of this test. $$\begin{array} { l c c c } \text { Subject \# } & &\text { Test } & \text { Retest } \\& & \mathrm { X } & \mathrm { Y } \\1 & \cdot & 30 & 33 \\2 & \cdot & 10 & 15 \\3 & \cdot & 20 & 18 \\4 & \cdot & 18 & 20 \\5 & . & 22 & 16 \\6 & . & 23 & 21 \\7 & . & 17 & 15 \\8 & \cdot & 20 & 22 \\9 & . & 25 & 28 \\10 & . & 15 & 15\end{array}$$

---

Definitions:

Imports

Goods or services brought into a country from abroad for sale.

Equilibrium

A situation in a market where demand equals supply, and there is no tendency for the quantities supplied and demanded to change.

Market

The institution through which buyers and sellers interact and engage in exchange.

S And D

Stands for Supply and Demand, which are the forces that determine the price of goods and services in a marketplace.