Discussion Post: Statistical Test
In an essay (350 to 500 words), use the scenario presented above to thoroughly answer the following questions:
• What statistical test did the researchers use to determine if there was a statistically significant difference in levels of self-esteem between the boys and the girls?
• What was the purpose of calculating a Cohen's d? When is a Cohen's d calculated? Interpret d=.90. What does it mean in this example?
• What if the researcher compared the adolescent boys before treatment and again after treating them for depression? What type of t-test would be most appropriate in this case, and why?
The response must include a reference list. Using Times New Roman 12 pnt font, double-space, one-inch margins, and APA style of writing and citations.