Ashford 4: - Week 3 - Discussion 1
Your initial discussion thread is due on Day 3 (Thursday) and
you have until Day 7 (Monday) to respond to your classmates. Your
grade will reflect both the quality of your initial post and the
depth of your responses. Reference the
Discussion Forum Grading Rubricfor guidance on
how your discussion will be evaluated.
Choose the Analysis
A researcher wishes to study the effect of a new drug on
blood pressure. Would you recommend using a z-test, a t-test,
or an A.N.O.V.A. for the analysis? Explain your answer. What
would your choice of test depend on? For the test you select,
explain your design and your comparison groups. Would the
hypothesis be directional or non-directional? Would the test
be one-tailed or two-tailed? What would be the null and what
would be the alternative hypothesis?
Guided Response: Review several of your
classmates’ posts. Respond to at least two of your
classmates. Do you agree or disagree with the test selected by your
peer? What suggestions would you make for change or
improvement? How does the number of groups being compared
affect the statistical analysis?
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