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2.David is a research psychologist working with 3M. He and his team are commissioned by the government to design a more efficient computer interface. Herb is an example of a _________________.
3.In research psychology, a researcher must make sure that participants agree to a research study based on clear, accurate, and complete information. This is referred to as______________.
4.In a correlation study, an electrical company paid by city officials finds that as politicians reduce the budget for maintenance work, the less likely they are to find lucrative contracts. These results indicate _____________.