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Y603 Lectures
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Lecture #19
1. Introduction to Hierarchical (or
Nested) Designs
Data analysis for the hierarchical
designs by hand and on SAS, including estimation of 
index, power analysis, and sample size estimation
Incorrect data analysis for the
hierarchical designs
The statistical and design issues
surrounding intact groups in hierarchical designs
Structural differences between a CRF-pq
design versus a CRH-pq(A) design
2. Assignments:
(1) Review Sections 11.1-11.5 in
Kirk.
(2) Read these articles listed
below:
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.
(3) Preview Sections 11.9 in
Kirk.
3. Announcements:
(A) On 3/23 (Monday), you are encouraged to engage in a
research project from 8:30 am to 9 am in Room 2011 (for
which youíll receive 3 bonus points on the first take-home
test). From 9 am to 10 am, you should meet with Mika in Room
2015 for a regular lab.
(B) On 3/25 (Wednesday), you should meet with Mika in Room
3275 (the regular classroom) for a regular lab from 8 to 9 am.
Then another regular lab in Room 2015 from 9:10 am to 10
am.
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