Below is the 95% confidence interval for the difference between two means in an

Question

Below is the 95% confidence interval for the difference between two means in an independent t-test: 95% Cl [-4.87, 2.37] Does this confidence interval suggest a significant result? Why or why not? You are reviewing data in order to summarize the evidence for the association between a measure of psychopathy and ability to recognize fearful facial expressions. Below are the correlations from five studies: a) What is your overall interpretation of these data? Does there appear to be an association? b) Would you give more weight to any of the studies? If so, why? If not, why not? c) What would you conclude? What additional information would you like to see?

Explanation / Answer

Answer:

6). 95% CI (-4.87, 2.37) contains 0 value. This confidence interval suggests not a significant result.

7).

a). Since only large sample results are significant, there appears no association.

b). We have to give more weights to small representative samples. Very large samples usually gave significant results.

c). There is no evidence of association for small samples. we have to take representative sample of 30 to 50 to come to the proper conclusion.

Related Questions

Navigate

• Browse (All)
• Browse B
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.