A Researcher Trains Observers to Complete Checklists While Observing Children's

question 22

Multiple Choice

A researcher trains observers to complete checklists while observing children's behavior on the schoolyard during recess.Over the course of the study,observers become more reliable in their observations.Any effect of a treatment in this study might be confounded with an ____________ threat to internal validity.

• A)observation
• B)expectancy effect
• C)additive
• D)instrumentation

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Definitions:

NAFTA

The North American Free Trade Agreement, a treaty among the United States, Canada, and Mexico that established a trilateral trade bloc in North America.

Foreign Policy Tools

Various means a country uses to achieve its foreign policy objectives, including diplomacy, economic aid, military intervention, and international treaties.

International Monetary Structure

The system of exchange rates and international payments that enables countries to transact with each other.

Diplomacy

The practice of managing international relations by negotiating, typically by a country's representatives abroad.