NotesFAQContact Us
Collection
Advanced
Search Tips
Descriptor
Least Squares Statistics2
Mathematical Models2
Computer Simulation1
Equations (Mathematics)1
Estimation (Mathematics)1
Monte Carlo Methods1
Multiple Regression Analysis1
Quasiexperimental Design1
Research Problems1
Robustness (Statistics)1
Statistical Distributions1
Structural Equation Models1
More ▼
Source
Educational and Psychological…2
Author
Brown, R. L.1
Wasik, John L.1
Publication Type
Journal Articles2
Reports - Evaluative2
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Showing all 2 results Save | Export
Segmented Polynomial Models in Quasi-Experimental Research.
Peer reviewed Peer reviewed
Wasik, John L. – Educational and Psychological Measurement, 1981
The use of segmented polynomial models is explained. Examples of design matrices of dummy variables are given for the least squares analyses of time series and discontinuity quasi-experimental research designs. Linear combinations of dummy variable vectors appear to provide tests of effects in the two quasi-experimental designs. (Author/BW)
Descriptors: Least Squares Statistics, Mathematical Models, Multiple Regression Analysis, Quasiexperimental Design
Estimation Problems with Type I Censored Response Distributions in Structural Equation Modeling.
Peer reviewed Peer reviewed
Brown, R. L. – Educational and Psychological Measurement, 1992
A Monte Carlo study explores the robustness assumption in structural equation modeling of using a full information normal theory generalized least-squares estimation procedure on Type I censored data. The efficacy of the following proposed alternate estimation procedures is assessed: asymptotically distribution free estimator and a latent…
Descriptors: Computer Simulation, Equations (Mathematics), Estimation (Mathematics), Least Squares Statistics