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Finding the Right Sample Size for One-Sample T-Tests: Examples and Applications
When planning a study to check if a sample’s average significantly differs from a known reference value, it’s essential to choose the right sample size. With a sample size that’s too small, there’s a risk of missing a significant difference (underpowered study). A sample that’s too large, however, can lead to wasted time and resources. Using G*Power software, researchers can calculate the ideal sample size to reliably detect meaningful differences.… Click to Read the Full Article
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Satisfaction Survey of a University’s Commencement Exercises
The study aimed to evaluate the satisfaction rating of attendees at a university’s Commencement Exercises. A 1-5 Likert scale questionnaire was used, and results indicated a highly statistically significant overall rating beyond satisfactory level. Significant group differences were observed, with the College of Education expressing greater satisfaction than other groups. Group membership was found to be related to recommendations for holding the next year’s graduation at the same venue, with… Click to Read the Full Article