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. Author manuscript; available in PMC: 2009 Dec 16.
Published in final edited form as: J Am Stat Assoc. 2001 Dec 1;96(456):1410–1423. doi: 10.1198/016214501753382327

Table 1.

Variables used in Example

Variable Collected During

Suspected Abuse1 Kindergarten
Race1 Kindergarten
School Behavior Problems1 End of Grade 1
School Behavior Problems2 End of Grade 3
School Behavior Change2 End of Grade 3
Home Visiting Process Measure3 End of Every Semester
Home Visiting Assignment4 Beginning of Every Semester
Academic Performance1 End of Grades 1 and 2
Social Skills1 Average for Grades 1 and 2
Site (4 Sites)1 Kindergarten
Cohort (2 Cohorts)1 Kindergarten
1

Auxiliary Covariates (V0 or Vt).

2

Response (Y).

3

Severity (St).

4

Treatment Level (At).