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271.
272.
Julia Katherina Stefanides Andreas Herrmann Jan Rüdiger Landwehr Mark Heitmann 《Zeitschrift für Betriebswirtschaft》2011,81(2):7-30
Sequential choice processes are ubiquitous in consumer decision making. In each attribute decision, consumers are often faced with different numbers of options which they must trade off in order to make the best possible choice. Thereby, complicated high variety choices at the beginning of a choice process produce a larger trade-off conflict and, thus, initially a greater mental depletion than more simple low variety choices. We examine the strength of mental depletion in sequential choices on individuals’ perceived attractiveness of the firm’s recommended default option at a target choice. We show that consumers who are confronted with difficult high variety choices early in the decision sequence followed by low variety choices initially deplete more than consumers who encounter exactly the same attribute decisions in reverse. As a result, depleted consumers are more likely to fall prey to the recommended default or some perceptually focal options close to the default anchor at target choice succeeding a sequence of decisions. 相似文献
273.
In this paper we consider two-stage estimators of parameters of a structural equation in a model with recursive exclusion restrictions on the instrumental variables equations. The estimations considered are simple OLS and GLS estimators after substitution of estimates of the systematic part of the IV equations for the endogenous variables. It is known in the literature that neither imposing the restrictions in the first stage nor ignoring them will in general be more efficient than the alternative. We introduce a class of mixed instrumental variables estimators (MIV) with these possibilities as special cases which yields an estimator which is not only more efficient than the two stage estimators considered in the literature but as efficient as an efficient system estimator like 3SLS. 相似文献
274.
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276.
Two experiments investigated 9‐month‐old infants’ abilities to recognize the correspondence between an actual three‐dimensional (3D) object and its two‐dimensional (2D) representation, looking specifically at representations that did not literally depict the actual object: schematic line drawings. In Experiment 1 , infants habituated to a line drawing of either a doll or a sheep and were then tested with the actual objects themselves. Infants habituated to the sheep drawing recovered to the unfamiliar but not the familiar object, showing a novelty preference. Infants habituated to the doll drawing, however, recovered to both familiar and unfamiliar objects, failing to show any preference between the two. In Experiment 2 , infants habituated to the 3D objects and were then tested with the 2D line drawings. In this case, both groups of infants showed a preference only for the novel displays. Together these findings demonstrate that 9‐month‐old infants recognize the correspondence between 3D objects and their 2D representations, even when these representations are not literal copies of the objects themselves. 相似文献
277.
Mark Sherry 《Disability & Society》2004,19(7):769-783
This paper begins by exploring similarities in the experiences of queers and disabled people, such as familial isolation, high rates of violence, stereotypes and discrimination, and the difficulties associated with passing and coming out. Rejecting pathologization and politicizing access as well as using humor and parody as political tools have been important for both movements. The paper then considers similarities and differences in Queer Theory and Disability Studies as intellectual disciplines, by examining their debt to feminism, their opposition to hegemonic normalcy, their strategic use of universalist and minority discourses, their deconstruction of essentialist identity categories and their use of concepts such as performativity. 相似文献
278.
Public Organization Review - 相似文献
279.
This experiment explored whether or not 2‐year‐olds would engage in synchronic imitation with human hands. Sixty‐four 24‐month‐old infants participated. In a test of synchronic imitation, infants were given a toy while a model simultaneously performed novel actions on an identical toy. Infants were randomly assigned to 1 of 4 model conditions: a familiar person, an unfamiliar person, disembodied human hands, and disembodied robotic pincers. Infants were as likely to synchronically imitate disembodied hands as a person. Imitation of the pincers was significantly lower. This pattern suggests that 2‐year‐olds will engage socially with human hands in the absence of the rest of the body. 相似文献
280.
Mark D. Regnerus 《The Sociological quarterly》2005,46(1):79-105
Despite the association between religiousness and conservative sexual attitudes, links between religion and patterns of parent–child communication about sex and birth control are largely undocumented. This study examines these relationships using two nationally representative data sets of parents and adolescents. I evaluated a conceptual model of religious influence on the sexual socialization of adolescents. Results suggest that parental public religiosity curbs the frequency of conversations about sex and birth control, and after accounting for conversations about sexual morality, so does parental religious salience. Despite notable relationships with religious affiliation, age, race, and gender still shape parental communication patterns most consistently. 相似文献