A Researcher Manipulated the Intensity of Light in Increments of Five

question 156

Multiple Choice

A researcher manipulated the intensity of light in increments of five lumens and asked participants if the light was present or absent.The study found that two particular participants had the same _____ threshold for perceiving the light.Had the investigators manipulated the light in units of one lumen,a difference would have been found between the individuals.The study was lacking the _____ to detect this difference.

• A)absolute;significance
• B)difference;validity
• C)absolute;power
• D)difference;reliability

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Definitions:

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Scholars who argue that economic disparities between nations stem from the exploitation of less developed countries by developed ones, creating a dependency relationship.

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A situation in which a country or region does not fully utilize its resources, resulting in low economic productivity and a lower standard of living.