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Over the course of almost forty (40) years, Drs. Peter and Mary Esseff conducted applied Research and Development in the field of Instructional Technology by applying their theories and philosophy to the projects they worked on for their clients. In so doing, they redefined the application of Instructional Technology and created the most effective instructional systems design model available to date. ESF's IDLS Instructional Design Model is a five-step process including the following:
Step 1: Create a Task Analysis:
ESF developed a Task Analysis process to determine what learners need to DO (and LEARN to do) to PERFORM their job tasks successfully.
ESF's IDLS Instructional Design Model for creating a Task Analysis is three-fold:
- Review Existing Documentation,
- Get Subject Matter Expert (SME) Review, and
- Conduct On-site Observation.
Doing R & D over several years, the Esseffs developed TaskOutliner, a unique software system that instructional systems designers use to create Task Analyses quickly, easily and effectively.
Step 2: Write Performance Measures:
ESF developed a process to create Performance Measures from the finalized Task Analyses developed above. The Esseff IDLS Performance Measures Model includes written Pre, Progress, and Post Inventory Questions (Multiple Choice and Matching) and "hands-on" Performance Measures (Case Studies, Role Plays and Demonstrations) along with Performance Checklists.
Step 3: Develop Learning Materials:
ESF developed a process of designing and developing Learning Materials (both in written and computer-based format) that are entirely interactive and are developed from the two previous steps described above. The materials in the Esseff IDLS Learning Materials Development Model are self-paced and include Pre, Progress and Post Inventory Questions, Narrative Content, and Graphics. Learners' Guides include Activities and instructions for applying what learners learned in the self-paced materials. Over the course of several years R & D, the Esseffs developed StyleDoc, a software system that allows instructional systems designers to customize instructional materials easily, quickly and consistently. The Esseff IDLS Model allows for immediate transfer of learning materials to a computer-based format, either CD or Web-based.
Step 4: Validate Materials:
ESF developed a Validation process that GUARANTEES learning. The Esseff IDLS Validation Model provides a field test of the Learning Materials described above. The Esseff Validation process is unique in the learning industry in that it ensures that all learners achieve 90% or better on the objective Post Inventory Questions and 100% on the Performance Checklists which contain only observable tasks and subtasks.
Step 5: Create Interactive Instructor's Guides and Presentations:
ESF developed a process to create Instructor's Guides and Interactive Instructor Presentations quickly and easily. The Instructor Guides and Interactive Instructor Presentations ensure consistency in presentation in style and format from instructor to instructor. | 
