Question: If a researcher conducts an experiment using two independent groups and finds a statistically significant outcome, then? a. the 95% confidence interval on the differences

If a researcher conducts an experiment using two independent groups and finds a statistically significant outcome, then? a. the 95% confidence interval on the differences between the two means should include zero. b. the 95% confidence interval on the differences between the two means should NOT include zero c. the 95% confidence interval on the differences between the two means may or may not include zero, as the two are unrelated statistical tools. d. the 95% confidence interval must be computed to determine the strength of the cause

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