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Choice Method (choice + method)
Selected AbstractsThe influence of wine attributes on region of origin equity: An analysis of the moderating effect of consumer's perceived expertiseAGRIBUSINESS : AN INTERNATIONAL JOURNAL, Issue 3 2006Jean Philippe Perrouty This research addresses the interaction between the components of brand. More specifically, the authors evaluate how the region of origin as a component of a wine brand adds value to a wine purchaser. Previous research suggests that the region of origin equity is significantly moderated by the other wine attributes with which it is combined on the wine label: commercial brand, level of price, type of bottler, grape variety. The authors test whether the moderating effects depend on self-perceived consumer expertise. They use a discrete choice method to survey 1,162 European wine purchasers, about equally selected from France, Austria, Germany, and the UK. Results show that the region of origin equity is indeed significantly moderated by the other wine attributes. They also show these moderating effects are more important for consumers who perceive themselves as "more expert" than for consumers who feel they are "novices." [EconLit citation: M310]. © 2006 Wiley Periodicals, Inc. Agribusiness 22: 323,341, 2006. [source] Determination of Ortho- and Retronasal Detection Thresholds for 2-Isopropyl-3-Methoxypyrazine in WineJOURNAL OF FOOD SCIENCE, Issue 7 2007G.J. Pickering ABSTRACT:, 2-isopropyl-3-methoxypyrazine (IPMP) is a grape-derived component of wine flavor in some wine varieties as well as the causal compound of the off-flavor known as ladybug taint (LBT), which occurs when Harmonia axyridis beetles are incorporated with the grapes during juice and wine processing. The main objective of this study was to obtain robust estimates of the orthonasal (ON) and retronasal (RN) detection thresholds (DTs) for IPMP in wines of differing styles. The ASTM E679 ascending forced choice method of limits was used to determine DTs for 47 individuals in 3 different wines,Chardonnay, Gewürztraminer, and a red wine blend of Baco Noir and Marechel Foch. The group best estimate thresholds (BETs) obtained for IPMP (ng/L) were Chardonnay, ON: 0.32; Gewürztraminer, ON: 1.56, RN: 1.15, and red wine blend, ON: 1.03, RN: 2.29. A large variation in individual DTs was observed. Familiarity with LBT was inversely correlated with DTs for Gewürztraminer, and no difference in thresholds was observed between winemakers and nonwinemakers. We conclude that the human DT for IPMP is extremely low and influenced significantly by wine style and evaluation mode. We recommend against the reporting of single-threshold values for wine flavor compounds, and encourage the determination of consumer rejection thresholds for IPMP in wine. [source] A comparison of stimulus preference assessment methods in adults with schizophreniaBEHAVIORAL INTERVENTIONS, Issue 2 2003David A. Wilder Three methods of assessing preference for stimuli were compared in four adults with a diagnosis of schizophrenia. During phase 1, a survey method, a verbal stimulus choice method, and a pictorial stimulus choice method of assessing preference for four categories of stimuli were administered. During phase 2, a coupon system was used to determine which categories of stimuli actually functioned as reinforcers for each participant. Comparisons between the three preference assessment methods were then conducted based on the results of the reinforcer assessment. Results showed that, overall, there were few differences in total accuracy among the preference assessment procedures. Copyright © 2003 John Wiley & Sons, Ltd. [source] Applying the choice/no-choice methodology: the case of children's strategy use in spellingDEVELOPMENTAL SCIENCE, Issue 1 2002Patrick Lemaire The present study illustrates the usefulness of the choice/no-choice method to investigate age-related changes in children's strategies. This method enables independent assessments of strategy use and execution. It is applied in children's spelling strategies. Third- and fifth-grade children were asked to write down words using a dictionary or not (choice condition). Then, they were successively required to spell words using each strategy (no-choice condition). Performance showed that (a) strategy choices and accuracy differed in younger and older children, (b) strategy effectiveness was the strongest predictor of children's strategy use, and (c) having the choice resulted in higher level of spelling accuracy (especially in older children) than having no choice. We discuss the implications of these results on how the choice/no-choice method can be useful for understanding and investigating children's strategy choices in spelling and other cognitive domains. [source] | ||||||||||