Research Is Aimed at Reducing Random Variability or Error Variance

question 56

Multiple Choice

Research is aimed at reducing random variability or error variance by identifying relationships between variables.This variability is called error because

• A) it accounts for the errors made in conducting the research.
• B) we do not understand it.
• C) it fails to indicate any direction of relationship.
• D) there is randomness in events that occur in the world.

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