Hopkins, K.D. (1982). "The unit of
analysis: group means vs. individual observations." American
Educational Research Journal, 19, 5-18.
Peckham, P.D., Glass, G. V, and Hopkins,
K. D. (19??). "The experimental unit in statistical analysis."
The Journal of Special Education, 3(4),
337-349.
Blair, R. C. (1986). "Comment on
Statistical power with group mean as the unit of analysis."
Journal of Educational Statistics, 11(2),
161-169.
2. Introduction to Split-Plot Factorial 
Design
Introduction to split-plot factorial design (or SPF
design); distinguish it from a completely crossed factorial design
or a nested design with repeated measures.
What is a between-subject factor and what is a within-subject
factor?
The computational formulae for a SPF p.q
design
3. Assignments:
(1) Review Sections 12.1-12.2, in
Kirk.
(2) Read the article by McCall and
Appelbaum reproduced in your handout.
(3) Complete questions 2, 3, 4, 5, 6, and
7 of Chapter 12.
(4) Preview Sections 12.3 and 12.4 in
Kirk.
4. Announcement:
The second article critique is due in two weeks in
class.
