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We use Euler's difference lemma to prove that, for θ > 0 and 0 ≤λ < 1, the function Pn defined on the non‐negative integers by P

n
(θ, λ) = [θ(θ + nλ)n−1/n!]e−nλ−θdefines a probability distribution, known as the Generalized Poisson Distribution.

It is critical for the food industry to maintain a current understanding of the factors affecting food choice, acceptance and consumption since these influence all aspects of its activities. This subject has matured in recent years and, for the first time, this book brings together a coherent body of knowledge which draws on the experiences in industrial and academic settings of an international team of authors. Written for food technologists and marketeers, the book is also an essential reference for all those concerned with the economic, social, and psychological aspects of the subject

Measurement of Food Preferences -- Editor's page -- Copyright -- Preface -- Contributors -- Contents -- 1 A measurement scheme for developing institutional products * -- 2 Appropriateness as a measure of the cognitive-contextual aspects of food acceptance -- 3 The repertory grid approach -- 4 Focus group interviewing -- 5 Product optimization: approaches and applications -- 6 Preference mapping in practice -- 7 An individualised psychological approach to measuring influences on consumer preferences -- 8 Modelling food choice -- 9 Nutritional influences on mood and cognitive performance: their measurement and relevance to food acceptance -- 10 Consumer expectations and their role in food acceptance -- Index.