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Researchers wanted to explore self-esteem in adolescent boys and adolescent girls. Each respondent completed a 10-item self-esteem scale (they chose one rating for each item from a Likert-type scale, 1 = strongly disagree and 5 = strongly agree). The sum of the 10 ratings was each respondent's self-esteem score. Their results were: t = 2.01, d = .90 (40 girls, 40 boys). 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?
Share your thoughts about using more advanced statistical analyses to completely explore your study's findings. Which statistics must be included in a research analysis? How about Chi-squares, t-tests, and ANOVAs?
For this assignment, choose a peer-reviewed article to review. Use the databases within the CSU Online Library, or use another source that contains peer-reviewed articles. Choose the article from one of the following topics:- statistics in health car..
hich of the m-commerce limitations listed in this chapter do you think will have the biggest near-term negative impact on the growth of m-commence? Which will be minimized within five years? Which will not?
What principle applies to this situation? How might you have avoided such a problem in the first place
Explain how counter-insurgency and counter-terrorism policies of the United States have potentially damaging political externalities. Using economic reasoning, explain how we can remedy these problems.
A description of two ways in which the Walden University's IRB ethical guidelines may impact the selection of a research population, research setting, and/or research design as you develop your ideas for your prospectus. Be specific, explaining h..
What is absolute dating? What is relevant dating? What are some real-world applications of these techniques? (minimum 200 words)
Define what is meant by the term crimes of globalization and discuss how they are both similar to and different from other forms of White Collar Crime. Discuss how political White Collar Crime differs from state crime or state organized crime, as d..
When a party retracts an anticipatory repudiation, it means that the party
Ethanol
Please write a 3-4 page paper discussing the development of Syracuse Sicily during the Greek - Roman time period. Please follow APA guidelines and cite references accordingly
according to sociologist c. wright mills people often believe that their private lives can only be explained in terms
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