Note on the rationality of rule-based versus exemplar-based processing in human judgment

This paper reports a study of the relationship between rule- versus exemplar-based processing and criteria for rationality of judgment. Participants made probability judgments in a classification task devised by S. W. Allen and L. R. Brooks (1991). In the exemplar condition, the miscalibration was accounted for by stochastic components of the judgment with a format-dependence effect, implying simultaneous over- and underconfidence depending on the response scale. In the rule condition, there was an overconfidence bias not accounted for by the stochastic components of judgment. In both conditions the participants were additive on average and reasonably transitive, but the larger stochastic component in the exemplar condition produced somewhat larger absolute deviations. The results suggest that exemplar processes are unbiased but more perturbed by stochastic components, while rule-based processes may be more prone to bias.     

Reconstructing Distances among Objects from Their Discriminability

We describe a principled way of imposing a metric representing dissimilarities on any discrete set of stimuli (symbols, handwritings, consumer products, X-ray films, etc.), given the probabilities with which they are discriminated from each other by a perceiving system, such as an organism, person, group of experts, neuronal structure, technical device, or even an abstract computational algorithm. In this procedure one does not have to assume that discrimination probabilities are monotonically related to distances, or that the distances belong to a predefined class of metrics, such as Minkowski. Discrimination probabilities do not have to be symmetric, the probability of discriminating an object from itself need not be a constant, and discrimination probabilities are allowed to be 0’s and 1’s. The only requirement that has to be satisfied is Regular Minimality, a principle we consider the defining property of discrimination: for ordered stimulus pairs (a,b), b is least frequently discriminated from a if and only if a is least frequently discriminated from b. Regular Minimality generalizes one of the weak consequences of the assumption that discrimination probabilities are monotonically related to distances: the probability of discriminating a from a should be less than that of discriminating a from any other object. This special form of Regular Minimality also underlies such traditional analyses of discrimination probabilities as Multidimensional Scaling and Cluster Analysis. This research was supported by the NSF grant SES 0318010 (E.D.), Humboldt Research Award (E.D.), Humboldt Foundation grant DEU/1038348 (H.C. & E.D.), and DFG grant Co 94/5 (H.C.).     

Judgments of Grammaticality of Japanese Sentences Violating the Principle of Full Interpretation

Two experiments investigated the linguistic intuition of Japanese speakers in which they judged the grammaticality of sentences violating Chomsky's principle of Full Interpretation. Experiment 1 used bitransitive sentences, which included an extra argument that assumed a role of either subjective, dative, or objective on the one hand and that specified semantically a preceding argument or stood in par with it on the other. Findings showed that the speakers judged ungrammatical sentences involving a dative or an objective extra argument as more grammatical than those involving a subjective extra argument. Ungrammatical sentences with an extra specified argument were judged more grammatical than those with an extra par argument when the extra argument was objective. Experiment 2 used sentences that included a verbal noun (VN) comprising a noun followed by a verb, shita (did). Ungrammatical VN sentences contained two arguments given the same objective marker. These sentences were judged to be highly grammatical despite the violation of the principle. Findings suggest that speakers' actual knowledge of language is not fully consistent with the knowledge they are alleged by Chomsky to possess, including the principle of Full Interpretation.     

The impact of physical load on duration estimation in sport

We investigated whether physical load has an influence on the accuracy of duration estimation of sporting activities presented in real time and slow motion. 86 participants were studied in two single sessions of 45 min each.Our results showed no general effects for physical load, when comparing physical load versus rest. However, we could replicate findings of past research (Schütz et al., 2021), showing that the duration of sports performance is estimated more accurately when presented in real time compared to slow motion. Further we found, that under physical load, participants perceiving the physical exercise as hard (RPE ≥15) estimated time significantly shorter and more accurately compared to participants perceiving the physical exercise as light or moderate (RPE <15).Thus, our results suggest that using slow motion may worsen the assessment of sports performance. Additionally, we could show that intense physical exertion contributes to reducing the overestimation of time.     

Is there really an omission effect?

The omission effect, first described by Spranca and colleagues (Spranca, Minsk, & Baron, 1991), has since been extensively studied and repeatedly confirmed (Cushman, Murray, Gordon-McKeon, Wharton, & Greene, 2012). All else being equal, most people judge it to be morally worse to actively bring about a negative event than to passively allow that event to happen. In this paper, we provide new experimental data that challenges previous studies of the omission effect both methodologically and philosophically. We argue that previous studies have failed to control for the equivalence of rules that are violated by actions and omissions. Once equivalent norms are introduced, our results show that the omission effect is eliminated, even if the negative outcome of the behavior is foreseen and intended by the agent. We show that the omission effect does not constitute a basic, moral disposition but occurs exclusively in complex moral situations. Building on these empirical results, we cast doubt onto two influential explanations of the omission effect, the Causal Relevance Hypothesis and the Overgeneralization Hypothesis, and provide a novel explanation of the phenomenon. Furthermore, we discuss various ramifications of the interplay between our understanding of omissions and legal systems.     

Moral Evaluations of Lying for One's Own Group

This study investigated the development of moral judgments of blue lies, which occur when a speaker makes false statements to benefit a group of which he or she is a member. We investigated this issue in China, where there is substantial emphasis on the nature of children's associations with groups they belong to. Participants ranged in age from 9 to 17, and we asked them to evaluate lies that were told to benefit a team representing a speaker's class, school, or country. Judgments varied systematically as a function of age, with the 17‐year‐olds rating lying for any form of collective less negatively than did the younger age groups. In addition, across the age groups, children's affinity tended to shift from smaller groups to broader and more abstract collectives: 9‐ and 11‐year olds were least critical of blue lies told to benefit a speaker's class, 13‐year olds were least critical of blue lies told to benefit a speaker's school, and 17‐year olds were least critical of blue lies told to benefit a speaker's country. Copyright © 2015 John Wiley & Sons, Ltd.     

The impact of dispositional cynicism on job‐specific affect and work intentions

Working from the Employee Work Passion Appraisal (EWPA) model, this article examines the relationship between employee dispositional cynicism, job‐specific affect (i.e. positive and negative) and work intentions including intent to use discretionary effort, intent to perform, intent to endorse, intent to stay and intent to be an organisational citizen. An online survey generated participation from 747 current and potential clients of an international consulting company. To evaluate the fit of the data in accordance with the EWPA framework, structural equation modeling was conducted to test the overall fit of the proposed model and to examine the hypothesised relationships between constructs. Analyses confirmed correlations between dispositional cynicism and job‐specific affect, supported notable relationships between positive job‐specific affect and all work intentions, provided evidence for job‐specific affect's mediation of cynicism and work intentions and uncovered a direct negative relationship between cynicism and intent to use organisational citizenship behaviour. Results suggest that state‐specific workplace emotions are important for understanding the degree to which employee dispositional cynicism will ultimately influence most performance‐related work intentions. However, independent of affect, employee cynicism may directly result in somewhat lower intentions to help others at work. Study limitations and practical implications for employee selection and training are considered.     

When actions speak volumes: The role of inferences about moral character in outrage over racial bigotry

Inferences about moral character may often drive outrage over symbolic acts of racial bigotry. Study 1 demonstrates a theoretically predicted dissociation between moral evaluations of an act and the person who carries out the act. Although Americans regarded the private use of a racial slur as a less blameworthy act than physical assault, use of a slur was perceived as a clearer indicator of poor moral character. Study 2 highlights the dynamic interplay between moral judgments of acts and persons, demonstrating that first making person judgments can bias subsequent act judgments. Privately defacing a picture of Martin Luther King, Jr. led to greater moral condemnation of the agent than of the act itself only when the behavior was evaluated first. When Americans first made character judgments, symbolically defacing a picture of the civil rights leader was significantly more likely to be perceived as an immoral act. These studies support a person‐centered account of outrage over bigotry and demonstrate that moral evaluations of acts and persons converge and diverge under theoretically meaningful circumstances. Copyright © 2013 John Wiley & Sons, Ltd.     

Prospective duration judgments: The role of temporality and executive demands of concurrent tasks

It is known that concurrent non-temporal tasks shorten reproduced temporal durations in prospective duration judgments. Two experiments were carried out, one comparing a concurrent temporal task to a minimally demanding concurrent task (Experiment 1) and one comparing an executive concurrent (Simon) task with a less demanding non-executive concurrent task (Experiment 2). An effect of the concurrent task type on temporal reproductions was found. Furthermore, a duration length effect was found, where longer durations were underestimated more than shorter durations. This effect tended to be stronger for the experiments that included a concurrent task that demanded high attention.