Measurement

What is measurement? ,[object Object]

Operationalization ,[object Object],[object Object]

Operationalization Examples ,[object Object],[object Object]

What about corruption? ,[object Object]

Political Corruption ,[object Object],[object Object]

Transparency Int'l ,[object Object],[object Object]

Corruption Perceptions Index ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Corruption Perceptions Index ,[object Object],[object Object],[object Object]

U.S. Corruption? ,[object Object],[object Object],[object Object]

Three-step process ,[object Object],[object Object],[object Object]

Measurements ,[object Object],[object Object],[object Object]

Testing Measurements ,[object Object]

Testing Measures Alternative-form method -- Use two different measures of the same concept rather than the same measure. Ex: Using two different kinds of ideology measures for legislators. NOMINATE scores vs. Interest Group scores

Testing Measurements ,[object Object],[object Object]

Measurements ,[object Object],[object Object]

Face Validity ,[object Object],Political Party U.S. Senate U.S. House Republicans 20 16 Democrats 87 92 2007 ADA score based on a 100-point scale, with 0 meaning “always votes conservative” and 1 meaning “always votes liberal.” The measure is typically based on 20 voters in the 2008 congressional session. Senators of interest: Obama: 75 (15 votes 15/15) McCain: 10 (15 votes 2/15)‏

Content Validity ,[object Object],[object Object]

Content Validity ,[object Object]

Inter-item Association ,[object Object],[object Object]

Measurement

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