A Test Specialist Is Attempting to Find the Reliability of a Test

question 69

Short Answer

A test specialist is attempting to find the reliability of a test designed to assess drug dependence. Ten subjects were randomly selected from a group of individuals. all of whom on a waiting list for a treatment program for drug abuse. The subjects were all given the test and then a week later were retested. The scores were as follows: $$\begin{array} { c r c } \text { Subject\# } & \text { Test } & \text { Retest } \\1 & 45 & 50 \\2 & 35 & 32 \\3 & 50 & 54 \\4 & 67 & 70 \\5 & 45 & 40 \\6 & 55 & 60 \\7 & 65 & 62 \\8 & 50 & 48 \\9 & 60 & 70 \\10 & 45 & 40\end{array}$$ Find the test-retest reliability value.

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Definitions:

Taxes Collected

The total amount of money garnered by a government through the imposition of taxes.

Corporate Income Tax

A tax imposed by a government on the income earned by companies.

Horizontal Equity

The principle that individuals with similar income or resources should be treated equally by the tax system.

Incentives

Refers to stimuli, rewards, or payments that motivate individuals or entities to perform certain actions or behaviors.