Exam #2 – Essay Review Audio Files

Click each number to hear a review of the key elements and structure of each essay questions.

You should also complete the Unit #2 Blue Thing entitled Exam #2 Essay Practice

to further prepare for the Essay portion of Exam #2

Audio File	Study Question
1	Describe the process of NHST, tell the (five) possible outcomes and tell the likely reasons for each. (Be sure to tell what this acronym means.)
2	Tell when to use each type of ANOVA, the possible research hypotheses for this statistical model, and when ANOVA can be used to test each type of Research Hypothesis (attributive, associative and causal).
3	Tell when to use a Pearson’s correlation, the possible research hypotheses for this statistical model, and when correlation can be used to test each type of Research Hypothesis (attributive, associative and causal).
4	Tell when to use Pearson’s X², the possible research hypotheses for this statistical model, and when X² can be used to test each type of Research Hypothesis (attributive, associative and causal).
5	Compare and contrasts the "interesting pairs" of the four bivariate data analysis models we are working with.
6	Respond to and describe the statement, "Rejecting the null hypothesis guarantees support for the research hypothesis."
7	Describe effect size estimates, tell how they are related to significance tests, the information they provide that is not provided by significance tests.
8	What is meant by "statistical power" and what is the advantage if our research has lots of it? Describe how power analyses are conducted and how they can inform our statistical decisions.