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CONTENTS Preface 1. Introduction 1.1 A Brief Review of Sensory Analysis Methodologies 1.2 Method, Test and Measurement 1.3 Standard Discrimination Methods 1.4 Classification of Sensory Discrimination Methods References 2. Standard Discrimination Tests 2.1 Binomial Model for Discrimination Testing 2.2 Discrimination Tests Using Forced-Choice Methods 2.3 Discrimination Tests Using the Methods with Response Bias References 3. Statistical Power Analysis for Standard Discrimination Tests 3.1. Introduction 3.2. Power and Sample Size for Forced-Choice Methods 3.3. Power and Sample Size for the Methods with Response Bias 3.4. Efficiency Comparisons of Discrimination Tests References 4. Modified Discrimination Tests 4.1 The Modified Triangle Test 4.2 The Degree of Difference Test 4.3 The Double Discrimination Test 4.4 The Preference Test with "No Preference" Option References 5. Multiple-Sample Discrimination Tests 5.1 Multiple-Sample Comparison Based on Proportions 5.2 Multiple-Sample Comparison Based on Ranks 5.3 Multiple-Sample Comparison Based on Categorical Scales Reference 6. Replicated Discrimination Tests: Beta-Binomial (BB) Model 6.1 Introduction 6.2 The Beta-Binomial Distribution 6.3 Estimation of Parameters of Beta-Binomial Model 6.4 Applications of Beta-Binomial Model in Replicated Tests 6.5 Testing Power and Sample Size for Beta-Binomial Tests References Appendix 6A 7. Replicated Discrimination Tests: Corrected Beta- Binomial (CBB) Model 7.1 Introduction 7.2 The Corrected Beta-Binomial Distribution 7.3 Estimation of Parameters of Corrected Beta- Binomial Model 7.4 Statistical Testing for Parameters in Corrected Beta-Binomial Model 7.5 Testing Power and Sample Size for Corrected Beta- Binomial Model References Appendix 7A 8. Replicated Discrimination Tests: Dirichlet-Multinomial (DM) Model 8.1 The Dirichlet-Multinomial Distribution 8.2 Estimation of Parameters of Dirichlet-Multinomial Model 8.3 Applications of Dirichlet-Multinomial Model in Replicated Tests 8.4 Testing Power for Dirichlet-Multinomial Model References 9. Measurements of Sensory Differences: Thurstonian Model 9.1 Introduction 9.2 Thurstonian 9.3 Variances of 9.4 Tables for and Variance of References 10. Statistical Analysis for Data 10.1 Estimates of Population or Group 10.2 Statistical Inference for Data References 11. Similarity Testing 11.1 Introduction 11.2 Similarity Testing for Preference 11.3 Similarity Testing Using Forced Choice Methods 11.4 Similarity Testing Using the A-Not A and the Same-Different Methods References Appendix 11A Appendix A. List of S-Plus Codes Author Index Subject Index
Library of Congress Subject Headings for this publication:
Agriculture -- Statistical methods.
Sensory discrimination -- Statistical methods.