Explain how the ANOVA technique avoids the problem of the inflated probability of making Type I error that would arise using the alternative method of comparing groups two at a time using the t-test for independent groups.

Explain how the ANOVA technique avoids the problem of the inflated probability of making Type I error that would arise using the alternative method of comparing groups two at a time using the t-test for independent groups.

On a snowy December evening, Devin and Trisha sat down to read the holiday cards piled high on the kitchen counter. Devin’s 55th birthday had just passed; Trisha would turn 48 in a few weeks. During the past year, they had celebrated their 24th wedding anniversary. These milestones, along with the annual updates they received from friends, brought the changes of midlife into bold relief.

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Instead of new births, children starting school, or a first promotion at work, holiday cards and letters sounded new themes. Jewel’s recap of the past year reflected growing awareness of a finite lifespan, one in which time had become more precious. She wrote:

· My mood has been lighter ever since my birthday. There was some burden I laid down by turning 49. My mother passed away when she was 48, so it all feels like a gift now. Blessed be!

George and Anya reported on their son’s graduation from law school and their daughter Michelle’s first year of university:

· Anya is filling the gap created by the children’s departure by returning to college for a nursing degree. After enrolling this fall, she was surprised to find herself in the same psychology class as Michelle. At first, Anya worried about handling the academic work, but after a semester of success, she’s feeling more confident.

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