Describes a unit of study of microorganisms employed with great success by over 100 teachers. The guide is a laboratory manual containing no prodedures or instructions. Only a brief problem statement is included. The student is the researcher and works out his own questions, procedures, results, and observations. (DF)

Introduces and describes the Laboratory Procedure Module (LPM) modified from a task analysis approach used by laboratory technical training programs based on instructional system design model. Overviews the LPM design, including primary goal, enabling objectives, task steps, overview, demonstration, written test, practice, and procedural…