G* power is a free statistical software that allows the user to determine the sample size needed based on a wide variety of tests.
The visual approaches perform better than statistical tests. For example, the Shapiro-Wilk test has low power for small sample size data and deviates significantly from normality for large sample sizes (say n > 50). For large sample sizes, you should consider to use QQ-plot for normality assu...
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Indeed, we predict that the tendency to use lower-power beneficiaries to signal high moral character will be stronger than the tendency to use higher-power beneficiaries, because the former sends a clearer signal of the prosocial actor's ostensible altruism. By introducing this possibility, we ...
The decision to use a one-tailed or two-tailed test hinges on your hypothesis. A one-tailed test is used when you have a specific direction of interest (e.g., you believe one group will have a higher mean than another). A two-tailed test is used when you are looking for any signif...
What are some basic steps to answer statistic questions using Excel and/or Minitab? Which type of Anova would you use for each of the following studies? 1. One-way between subjects (independent groups) 2. One-way within subjects (repeated measures) 3. Two-way between subjects ...
But sometimes, it can be challenging to come up with a research topic, especially if you're not sure where to start. That's where ChatGPT prompts come in handy. In this article, we'll explore how to use ChatGPT prompts to generate topic ideas based on keywords or subject areas.How ...
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The History and Purpose of ANOVA For the purpose of this type of comparison test, which was developed during the 20thcentury, t-tests were the primary analysis tools available to analysts until 1918, the year when Ronald Fisher created ANOVA. ...