In a Certain Study,different Interviewers Are Used in a Pretest

question 37

Multiple Choice

In a certain study,different interviewers are used in a pretest from those used in the posttest and this produces different results in the study.This is an example of a(n) ____.

• A)history effect
• B)mortality effect
• C)instrumentation effect
• D)cohort effect

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Definitions:

Consumer Price Index

A measure that examines the weighted average of prices of a basket of consumer goods and services, used as an indicator of inflation.

Economic Scale

Economies of scale, which refer to the cost advantages that enterprises obtain due to size, output, or scale of operation.

Critical Factors

Essential elements or conditions necessary for the success of a business or project.

New Business

A venture that has been recently established, entering the market with fresh offerings of products or services.