Effect Sizes and Confidence Intervals

• "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so."Mark Twain
• "Good statistical inference never strays very far from the data."Brian S. Yandell (2007)
• "An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem."John Tukey

Based on the above quotes summarize the two most important take-aways from the quotations listed.

• Discuss the importance of effect sizes and confidence intervals in research.
• Provide an example of a real-world use for effect sizes or confidence intervals; your example can be based on your professional or personal experience or it can be hypothetical.