statistical design

PSY-355 – Experimental PsychologyTopic 6 –Choosing the Correct Statistical Test Worksheet
Directions: Review your chapter readings and the following resources found in Topic 8 Resources:
Choosing the Right Statistical Test: Types and Examples and An Introduction to Statistics: Choosing the
Correct Statistical Test, then walk through the tree diagram and answer the following questions.
1. What type of hypothesis are you testing – difference between groups or an association between
variables?
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2. How many groups are you analyzing (1, 2, 3+)?
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3. What type of data are you analyzing (nominal, ordinal, interval/ratio)? ____________________
4. What type of design are you using (between-subjects experimental, within-subjects
experimental, quasi-experimental, correlational)?
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5. Based on your proposed design, what type of statistical test (analysis) do you think will be
appropriate and why?
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