Index page for: Sensory Evaluation Techniques, Fourth Edition

Table of Contents Preface INTRODUCTION TO SENSORY TECHNIQUESIntroduction Development of Sensory TestingHuman Subjects as InstrumentsConducting a Sensory Study SENSORY ATTRIBUTES AND THE WAY WE PERCEIVE THEMIntroduction Sensory Attributes The Human SensesPerception at Threshold and AboveCONTROLS FOR TEST ROOMIntroduction Environmental ControlsProduct ControlsPanelist ControlsFACTORS INFLUENCING SENSORY VERDICTSIntroduction Physiological FactorsPsychological Factors Poor Physical ConditionMEASURING RESPONSESIntroduction Psychophysical Theory ClassificationGradingRankingScalingOVERALL DIFFERENCE TESTS: DOES A SENSORY DIFFERENCE EXIST BETWEEN SAMPLES?Introduction The Unified Approach to Difference and Similarity TestingTriangle TestDuo-Trio TestTwo-Out-of-Five TestSame/Different Test (or Simple Difference Test)A - Not A TestDifference-from-Control TestSequential TestsATTRIBUTE DIFFERENCE TESTS: HOW DOES ATTRIBUTE X DIFFER BETWEEN SAMPLES?Introduction: Paired Comparison Designs Directional Difference Test: Comparing Two SamplesPairwise Ranking Test: Friedman Analysis-Comparing Several Samples in All Possible PairsIntroduction: Multisample Difference Tests-Block Designs Simple Ranking Test: Friedman Analysis-Randomized (Complete) Block DesignMultisample Difference Test: Rating Approach-Evaluation by Analysis of Variance (ANOVA)Multisample Difference Test: BIB Ranking Test (Balanced IncompleteBlock Design)-Friedman AnalysisMultisample Difference Test: BIB Rating Test (Balanced IncompleteBlock Design)-Evaluation by Analysis of VarianceDETERMINING THRESHOLDIntroduction Definitions Applications of Threshold Determinations SELECTION AND TRAINING OF PANEL MEMBERSIntroduction Panel Development Selection and Training for Difference TestsSelection and Training of Panelists for Descriptive TestingPanel Performance and MotivationAppendix 1: Prescreening QuestionnairesAppendix 2: Panel Leadership AdviceDESCRIPTIVE ANALYSIS TECHNIQUESDefinitionField of ApplicationComponents of Descriptive AnalysisCommonly Used Descriptive Test MethodsApplication of Descriptive Analysis Panel Data THE SPECTRUM? DESCRIPTIVE ANALYSIS METHODDesigning a Descriptive ProcedureMyths about the Spectrum Descriptive Analysis MethodTerminology Intensity Other Options Modified Short-Version Spectrum Descriptive Procedures for Quality Assurance, Shelf-Life Studies, etc. Appendix 1: Spectrum Terminology for Descriptive Analysis Appendix 2: Spectrum Intensity Scales for Descriptive AnalysisAppendix 3: A Streamlined Approach to Spectrum ReferencesAppendix 4: Spectrum Descriptive Analysis Product Lexicons Appendix 5: Spectrum Descriptive Analysis Examples of Full Product Descriptions Appendix 6: Spectrum Descriptive Analysis Training ExercisesAFFECTIVE TESTS: CONSUMER TESTS AND IN-HOUSE PANEL ACCEPTANCE TESTSPurpose and ApplicationsThe Subjects/Consumers in Affective TestsChoice of Test LocationAffective Test Methods-Fuzzy Front EndAffective Methods: QualitativeAffective Methods: QuantitativeInternet ResearchUsing Other Sensory Methods to Uncover InsightsAppendix 1: Screeners for Consumer Studies-Focus Group, CLT, and HUTAppendix 2: Discussion Guide-Group or One-on-One Interviews Appendix 3: Questionnaires for Consumer Studies Appendix 4: Protocol Design for Consumer StudiesAppendix 5: Additional Fuzzy Front End ReferencesBASIC STATISTICAL METHODSIntroduction Summarizing Sensory DataStatistical Hypothesis TestingThurstonian ScalingThe Statistical Design of Sensory Panel StudiesAppendix on ProbabilityADVANCED STATISTICAL METHODSIntroduction Data RelationshipsPreference MappingThe Treatment Structure of an Experimental DesignGUIDELINES FOR CHOICE OF TECHNIQUEIntroductionGUIDELINES FOR REPORTING RESULTSIntroduction Summary Objective ExperimentalResults and Discussion STATISTICAL TABLESIndexReferences appear at the end of each chapter.