The Complexity of Proceduralized Tasks

Cover13; -- Contents13; -- 1 Introduction -- 1.1 What Is a Procedure? -- 1.2 Recipe for a Chocolate Chip Cookie -- 1.3 What Is a Good Procedure? -- 1.4 Scope of Book -- References -- 2 Complexity of Proceduralized Tasks -- 2.1 Performing Proceduralized Tasks -- 2.2 Managing the Complexity of Proceduralized Tasks -- References -- 3 Significant Complexity Factors -- 3.1 Complexity Factors of a Process Control Task -- 3.2 Complexity Factors of a Novice -- 3.3 Identifying Complexity Factors -- 3.3.1 Amount of Information and Number of Actions -- 3.3.2 Logical Entanglement -- 3.3.3 Amount of Domain Knowledge -- 3.3.4 Level of an Engineering Decision -- 3.4 Where is the Starting Point? -- References -- 4 Introduction to Software Complexity -- 4.1 Software Complexity -- 4.2 Software Complexity Measure -- 4.3 The Concept of Graph Entropies -- 4.4 Selecting Appropriate Measures -- References -- 5 Emergency Tasks Prescribed in the EOPs of NPPs -- 5.1 Design Features of Pressurized Water Reactors -- 5.2 Event- and Symptom-based Procedures -- 5.3 The Generic Structure of EOPs -- 5.4 Emergency Tasks Prescribed in EOPs -- 5.5 Performing Emergency Tasks -- References -- 6 Analyzing the Required Actions Prescribed in Emergency Tasks -- 6.1 Key Contents of an Action Description -- 6.1.1 Action Verb -- 6.1.2 Action Specification -- 6.2 Characterizing an Action -- 6.2.1 Means -- 6.2.2 Acceptance Criterion -- 6.2.3 Constraint -- 6.2.4 Peculiarity -- 6.3 Constructing Graphs -- 6.3.1 Information Structure Graph -- 6.3.2 Abstraction Hierarchy Graph -- 6.3.3 Engineering Decision Graph -- References -- 7 Quantifying the Contribution of Task Complexity Factors -- 7.1 Extracting a Task Structure -- 7.2 Identifying Required Actions with Their Sequence -- 7.3 Identifying Distinctive Actions -- 7.4 Identifying Necessary Information -- 7.5 Assigning the Level of Domain Knowledge -- 7.6 Assigning the Level of Engineering Decision -- 7.7 Constructing Four Kinds of Graphs -- 7.8 Quantifying Five Kinds of Complexity Factors -- References -- 8 Integrating the Contribution of Each Complexity Factor -- 8.1 A Generalized Task Complexity Theory -- 8.1.1 TS Dimension -- 8.1.2 TR Dimension -- 8.1.3 TU Dimension -- 8.2 Determining Relative Weights -- 8.2.1 Reference Data for Determining Relative Weights -- 8.2.2 Obtaining Task Performance Time Data -- 8.3 Determining Relative Weights -- References -- 9 Validation of TACOM Measure -- 9.1 Validation Activity 8211; Outline -- 9.2 Comparing with Subjective Workload Scores -- 9.2.1 NATA8211;TLX Technique -- 9.2.2 Gathering Subjective Workload Scores -- 9.2.3 Reliability of Subjective Workload Scores -- 9.3 Comparing Task Performance Time Data Obtained from Other NPPs -- References -- 10 Promising Applications -- 10.1 Providing HRA Inputs -- 10.2 Identifying Complicated Tasks Demanding an Excessive Workload -- 10.2.1 Three Kinds of Behavior Types in Conducting Procedural Steps -- 10.2.2 The Meaning of Noncompliance Behaviors -- 10.2.3 Comparing the Occurrence of Noncompliance Behaviors with Associated TACOM Scores -- 10.2.4 Criterion for Complicated Tasks -- 10.3 Providing Design Inputs on Effective HMIs -- 10.3.1 Clarifying the Types of Information Displays -- 10.3.2 Specifying Information Requirements for CBPs -- Referen.