When an Observed Difference Between Two Groups on the Dependent

question 2

Multiple Choice

When an observed difference between two groups on the dependent variable is attributed to the effect of the independent variable through statistical hypothesis testing, then we know that.

• A)it is unlikely that the difference would occur by chance alone
• B)the raw data have been refined
• C)the groups were not equivalent before the independent variable was introduced
• D)it is likely that the difference would occur by chance alone

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