The Effect of Multiple Fallible Covariables in Analysis of Covariance and Two Correction Methods / Kowit Pravalpruk and Andrew C. Porter.

When random assignment has been accomplished and an analysis of covariance (ANCOVA) is being used to correct for initial differences among treatment groups, use of unreliable covariables not only decreases the power of ANCOVA, but also causes ANCOVA to test biased treatment effects. Several correcti...

Full description

Bibliographic Details
Main Authors:	Pravalpruk, Kowit Porter, Andrew C. (Author)
Language:	English
Published:	[Place of publication not identified] : Distributed by ERIC Clearinghouse, 1974.
Subjects:	Analysis of Covariance. Mathematical Models. Research Problems. Statistical Analysis. Statistical Bias. Statistical Significance. True Scores.
Physical Description:	22 pages
Format:	Microfilm Book

System Under Maintenance

Our Library Management System is currently under maintenance.

Holdings and item availability information is currently unavailable. Please accept our apologies for any inconvenience this may cause and contact us for further assistance:

Please contact Reference and Discovery Services via their Contact Form or call them directly at: 517-353-8700 for assistance.