Statistics For The Behavioral And Social Sciences: A Brief Course, Books A La Carte (6th Edition) (what's New In Psychology)
6th Edition
ISBN: 9780205989065
Author: Arthur Aron Ph.D., Elliot J. Coups Ph.d., Elaine N. Aron Ph.D.
Publisher: PEARSON
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Chapter 6, Problem 5.1HD
(a)
To determine
Mention two basic ways of increasing the effect size for a planned study.
(b)
To determine
Explain how ‘predicted difference between the two population means’ can be increased and the consequence disadvantages.
(c)
To determine
Explain how ‘population standard deviation has to be reduced’ and the consequence disadvantages.
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Chapter 6 Solutions
Statistics For The Behavioral And Social Sciences: A Brief Course, Books A La Carte (6th Edition) (what's New In Psychology)
Ch. 6 - Prob. 1.1HDCh. 6 - (a) What is a Type I error? (b) Why is it...Ch. 6 - (a) What is a Type II error? (b) Why is it...Ch. 6 - If you set a lenient alpha level (say .25), what...Ch. 6 - If you set an extreme alpha level (say .001), what...Ch. 6 - What does effect size add to just knowing whether...Ch. 6 - Why do researchers usually use a standardized...Ch. 6 - Write the formula for effect size in the situation...Ch. 6 - On a standard test, the population is known to...Ch. 6 - (a) Why are effect size conventions useful? (b)...
Ch. 6 - Prob. 2.6HDCh. 6 - Prob. 3.1HDCh. 6 - Prob. 3.2HDCh. 6 - Prob. 3.3HDCh. 6 - Name three approaches that researchers typically...Ch. 6 - Prob. 4.1HDCh. 6 - Prob. 4.2HDCh. 6 - Prob. 4.3HDCh. 6 - Prob. 4.4HDCh. 6 - Prob. 4.5HDCh. 6 - Prob. 5.1HDCh. 6 - Prob. 5.2HDCh. 6 - Prob. 5.3HDCh. 6 - Prob. 5.4HDCh. 6 - Prob. 5.5HDCh. 6 - Prob. 5.6HDCh. 6 - When a result is not significant, what can you...Ch. 6 - Prob. 6.1HDCh. 6 - Define alpha and beta.
Ch. 6 - For each of the following studies, make a chart of...Ch. 6 - In a completed study, there is a known population...Ch. 6 - In a planned study, there is a known population...Ch. 6 - Prob. 5PPCh. 6 - Here is information about several possible...Ch. 6 - You read a study in which the result is...Ch. 6 - Prob. 8PPCh. 6 - How does each of the following affect the power of...Ch. 6 - Prob. 10PPCh. 6 - For each of the following studies, make a chart of...Ch. 6 - In a completed study, there is a known population...Ch. 6 - In a planned study, there is a known population...Ch. 6 - In a planned study, there is a known population...Ch. 6 - Here is information about several possible...Ch. 6 -
You read a study that just barely fails to be...Ch. 6 -
19. In the Decision Errors, Effect Size, and...Ch. 6 -
Caspi and colleagues (1997) analyzed results from...Ch. 6 -
Tsang and colleagues (2009) conducted a review to...Ch. 6 - You are planning a study that you compute as...
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