opyright Nancy Leveson, Sept 1999 But some good practices that did not lend themselves to such a form, e.g., information hiding(for which no satisfactory form of procedural development practice has yet been devised) Reaction in 80s to shortcomings was to pile more on More diagrammatical forms More models More complexity Arguably, much of this complexity stems from the paradox of object orientation, which seems to provide excellent paradigms for analysis and implementation, but present major difficulties for the designe In 90s, attempts to develop other paradigms for transferring design knowledge, e.g., patterns and architecturesc Copyright Nancy Leveson, Sept. 1999 But some good practices that did not lend themselves to such a form, e.g., information hiding (for which no satisfactory form of procedural development practice has yet been devised). Reaction in 80s to shortcomings was to "pile more on" More diagrammatical forms More models More complexity "Arguably, much of this complexity stems from the paradox of object orientation, which seems to provide excellent paradigms for analysis and implementation, but present major difficulties for the designer." In 90s, attempts to develop other paradigms for transferring design knowledge, e.g., patterns and architectures. � �