This report represents an integration of analysis results in an interim report with those from additional analyses performed since. It is divided into (1) description of the experiment in which the goal is outlined; (2) description of the technology company programs, an overview of personnel, curriculum and materials, and incentive systems; (3) description of the target population which provides variables of socioeconomic status; (4) criteria employed for the selection of achievement tests used and a description of tests selected; (5) design and procedures used to administer selected tests and a summary of conditions for both pre- and post testing; (6) the data-analysis method used for the analysis of student achievement test data and the rationale for the analysis method employed; (7) results and conclusions: technology company sites; and (8) results and conclusions: incentive only sites. Findings reveal little evidence that the performance contracting experiments at technology company sites or those at incentives only sites had beneficial effects on the reading or mathematics achievement of participating students as measured by a standardized achievement test. Several appendixes provide basic statistical data for readers to examine and analyze. A related document is EA 004 144. (Author/JF)