text: purpose of the friedman assesment model?   in software assessment, friedman and voas offer a balanced presentation of theory and practice. designed to function as either a graduate-level text or professional reference, this book arms software developers with cutting-edge tools and techniques for measuring and enhancing the safety, reliability, and testability of the programs they produce. drawing upon their experiences working on major software projects at nasa and other agencies for which software quality is literally a matter of life and death, friedman and voas show you how to:  use powerful tools and techniques to optimize the testing process;  execute programs to perform automated quality testing;  design and code programs for maximum testability;  generate test cases to support testing and testability analysis;  build safety fire-walls.