PSY 305 Page 1 of 2
Statistics Review Sheet
Review for Exam 4 (Chapters 13, 14)
Chapter 13
Key terms
Analysis of variance (ANOVA)
Between-treatments variability
Within-treatments variability
Treatment effect
Individual differences
Experimental error
F-ratio
Error term
Factor
Levels
Mean square (MS)
Eta squared
Post hoc tests
Scheffe test
Tukey’s HSD test
Understand the basic purpose for analysis of variance and the logic that underlies this
statistical procedure
Perform an analysis of variance to evaluate the data from a single factor, independent-
measures research study
Understand when post tests are necessary and the purpose they serve
Be familiar with the post test techniques such as Tukey’s HSD and the Scheffe test
Compute eta squared to measure effect size for sample means in ANOVA
Chapter 14
Key terms
Individual differences
Between-subjects variability
Error variability
Two-factor design
Matrix
Cells
Main effect
Interaction
Understand the logic underlying ANOVA for a repeated-measures study
Perform an ANOVA to evaluate the mean differences from a single-factor, repeated-
measures research study
Understand the concept of a two-factor research design
Understand the concepts of main effects and interactions and be able to recognize and
describe these
