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Psychology 242
Research in Psychology
Dr. David J. McKirnan

Week 11, Basic Statistics:
Scales, distributions, variance, the normal distribution .

Lecture notes

Key topics: Critical ratio

Scale values & Z scores

Understand all the italicized terms: they will be crucial to the entire statistics section.
The properties of the normal distribution in particular are central to this section.

The lecture notes are here.






Chapter 4 (or the basic statistics chapter) of your text.

Other readings: politics and statistics, political uses of science, fraud in education tracking.

Discussion Group

Get a jump on the t-test you will have due for next week (and to complete your paper):
Go to the discussion group assighment for next week and begin working on it now.
We will be using a t-test worksheet for that assignment.

Basic frequency distributions.

Table 1

Table 2