Economists Who Have Studied the Impact of Immigration on World

question 126

Multiple Choice

Economists who have studied the impact of immigration on world welfare generally find, after considering impacts on all constituencies, that world GDP has _______ as a result of worker migration.

• A) decreased
• B) risen
• C) remained constant
• D) decreased sharply

Demonstrate knowledge of sequential search operation.

Write recursive methods for specific tasks.

Explain the operation and efficiency of binary search.

Write iterative methods for specific tasks.

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Definitions:

Reliability

The reliability of an evaluation tool in generating steady and unchanging outcomes over various periods.

Spearman-Brown Formula

A mathematical formula that can be used with split-half or odd-even reliability estimates to increase the accuracy, which is impaired because of the shortening (splitting in half) of the test.

Reliability Estimate

A measure of the consistency of a psychological test or assessment tool across time, items, and raters, indicating its stability and dependability.

Alternate Forms

A method of assessing reliability by administering different versions of an assessment tool to the same group of people and comparing the results.