Examlex
A researcher pretests a group of participants to determine their attitudes toward the use of alternative energy sources to replace crude oil. The researcher then initiates a program to convince them that they should invest in such alternatives. During this time, the price of gasoline rises $.50 per gallon. At the end of the program, the researcher retests and finds that the participants are much more positive in their attitudes. What threat to internal validity most likely accounts for this change?
Zapatista Uprising
The Zapatista Uprising was a revolutionary movement starting in 1994 in Chiapas, Mexico, led by the Zapatista Army of National Liberation, advocating for indigenous rights and resisting neoliberal policies.
World Trade Center
A landmark complex of buildings in New York City, known for the 9/11 terrorist attacks in 2001 and as a symbol of global trade.
Globalization
The process by which businesses or other organizations develop international influence or start operating on an international scale, leading to increased interconnectedness and interdependence among nations.
Income Inequality
The unequal distribution of income among individuals or households within a society or economy.
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Q11: Good experimental design requires eliminating possible _
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