Week #9
This weeks lab has the following objectives.
Understand the foundations of hypothesis testing.
Understand the factors that affect statistical power.
Understand the relationship between a confidence interval and hypothesis testing.
Know how to compute z-tests in Excel.
The following assignment(s) is(are) associated with this week's lab. The assignment(s) is(are) due at the start of next week's lab.
Statistics Assignment for 3/16
Research Assignment for 3/16
Read and/or review the material found at each of the following links:
Hypothesis Testing: Significance & Errors
Read all 11 sections at this site on Hypothesis Testing: http://davidmlane.com/hyperstat/logic_hypothesis.html
& Read sections 1-3 at this site: http://davidmlane.com/hyperstat/hypothesis_testing_se.html
Statistical Power
Read sections 1 and 2 at this site on Statistical Power: http://davidmlane.com/hyperstat/power.html
G-Power statistical analysis program download: http://www.psycho.uni-duesseldorf.de/aap/projects/gpower/
z Test
Download this spreadsheet and follow the instructions.
What is Science? (http://books.nap.edu/html/obas/) Be prepared to participate in a discussion of this reading!
Misconduct in Science -http://books.nap.edu/html/obas/contents/misconduct.html
Supplemental Readings on Hypothesis Testing & Statistical Power
Theory of Hypothesis Testing: http://www.psychstat.missouristate.edu/introbook/sbk18m.htm
Good lay explanation of the concepts: http://www.ganesha.org/spc/hyptest.html
Read the sections of chapter 9 for a good explanation of Hypothesis testing: http://www.richland.cc.il.us/james/lecture/m170/