Dissecting the symbolic distance effect: Comparison and priming effects in numerical and nonnumerical orders

When participants are asked to compare two stimuli, responses are slower for stimuli close to each other on the relevant dimension than for stimuli further apart. Previously, it has been proposed that this comparison distance effect originates from overlap in the representation of the stimuli. This idea is generally accepted in numerical cognition, where it is assumed that representational overlap of numbers on a mental number line accounts for the effect (e.g., Cohen Kadosh et al., 2005). In contrast, others have emphasized the role of response-related processes to explain the comparison distance effect (e.g., Banks, 1977). In the present study, numbers and letters are used to show that the comparison distance effect can be dissociated from a more direct behavioral signature of representational overlap, the priming distance effect. The implication is that a comparison distance effect does not imply representational overlap. An interpretation is given in terms of a recently proposed model of quantity comparison (Verguts, Fias, & Stevens, 2005).     

Cognitive control acts locally

Cognitive control adjusts information processing to momentary needs and task requirements. We investigated conflict adaptation when participants are performing two tasks, a Simon task and a SNARC task. The results indicated that one congruency effect (e.g., Simon) was reduced after conflict in the other task (e.g., SNARC), but only when both tasks used identical relevant information. On the other hand, when both tasks used different relevant information, a larger congruency effect was observed after conflict in the other task. The results are explained in terms of a local control mechanism.     

Group Work with Aggressive Men: Group Within a Group Within a Group

Psychodynamic group therapy offers many opportunities for members to identify, understand, and change the underlying problems, which lead to their aggressive behavior. In addition, group therapy can help to improve the members’ interpersonal relationships. The “Coping with Aggression” is comprised of three groups. A psychodynamic group of assaultive men made up the first group. The second group consisted of two leaders and a consultant whom the group members knew about but never actually met. The observers who sat outside the group made up the third group. Therapy contracts, boundaries, and leadership, and group process are discussed.     

Terror management and adults' attachment to their parents: the safe haven remains

Six studies examined the role of young adults' parental attachment in terror management. Studies 1-3 revealed that activating thoughts of one's parent in response to mortality salience (MS) reduced death-thought accessibility and worldview defense and increased feelings of self-worth. Studies 4-5 demonstrated that MS led to greater ease of recalling positive maternal interactions and greater difficulty recalling negative interactions, and increased attraction to a stranger who was described as being similar to one's parent. If reliance on parents for terror management purposes reflects the operation of attachment mechanisms, then such effects should vary on the basis of an individual's attachment style. Study 6 demonstrated that, after MS, insecure individuals were more likely to rely on relationships with their parents, whereas secure individuals were more likely to rely on relationships with romantic partners.     

Hebbian learning of cognitive control: dealing with specific and nonspecific adaptation

The conflict monitoring model of M. M. Botvinick, T. S. Braver, D. M. Barch, C. S. Carter, and J. D. Cohen (2001) triggered several research programs investigating various aspects of cognitive control. One problematic aspect of the Botvinick et al. model is that there is no clear account of how the cognitive system knows where to intervene when conflict is detected. As a result, recent findings of task-specific and context-specific (e.g., item-specific) adaptation are difficult to interpret. The difficulty with item-specific adaptation was recently pointed out by C. Blais, S. Robidoux, E. F. Risko, and D. Besner (2007), who proposed an alternative model that could account for this. However, the same problem of where the cognitive system should intervene resurfaces in a different shape in this model, and it has difficulty in accounting for the Gratton effect, a hallmark item-nonspecific effect. The authors of the current article show how these problems can be solved when cognitive control is implemented as a conflict-modulated Hebbian learning rule.     

Procedural justice and compliance behaviour: the mediating role of emotions

Procedural justice researchers have consistently found that if authorities treat people with trust, fairness, respect and neutrality, people will not only be more willing to cooperate with authorities, but they will also be more likely to comply with authority decisions and rules. New research in this area has gone on to explore the role that emotions play in response to procedural justice and injustice. What this new research has neglected to do, however, is examine whether emotions mediate the effect of procedural justice on subsequent compliance behaviour in real life settings. Using longitudinal survey data collected in two real‐life contexts (Study 1: a taxation dispute (N = 652), and Study 2: workplaces (N = 2366)), the present study will show that perceptions of procedural justice influence the emotions experienced by people, but more importantly these emotional reactions (i.e. anger and happiness) mediate the effect of justice on subsequent compliance behaviour. In other words, it is these positive and negative emotional reactions to perceived justice or injustice that go on to predict who will and will not comply with authority decisions and rules. Copyright © 2008 John Wiley & Sons, Ltd.     

Exploring the hardship of ease: Subjective and objective effort in the ease-of-processing paradigm

Numerous studies examined the role of processing effort in judgments using the “ease-of-processing” paradigm in which participants generate or retrieve few or many issue-relevant thoughts. Because earlier studies only assessed the subjective effort, it is unclear if this paradigm also mobilizes objective effort, and how such effort relates to subjective effort. These questions were addressed in two experiments modeled on standard tasks from the processing effort literature: “ease of argument generation” (Study 1) and “ease of retrieval” (Study 2). In both experiments we simultaneously measured subjective effort (via self-report) and objective effort (via cardiovascular reactivity). The results showed that processing ease manipulations (generation or retrieval of few vs. many exemplars) influence not only subjective effort, but also objective effort, as reflected especially by increases of systolic blood pressure in the many exemplars condition. However, only subjective effort was related to judgment. In the discussion, we consider the role of various forms of effort and other relevant variables in “processing ease” effects.     

Five-factor personality correlates of perceptions of women’s body sizes

This study examined the association between observers’ personalities and body size perceptions. In total, 1119 participants from an international sample completed a five-factor personality inventory and the female Photographic Figure Rating Scale (PFRS). Results showed that Openness to Experience was correlated with the idealisation of a heavier body size among women, as well as the perception of a wider range of body sizes as attractive among both women and men. In addition, Agreeableness was associated with the perception of a wider range of body sizes as attractive among men. Personality factors explained only a small proportion of the variance in body size perceptions, although present results were consistent with a previous proposal on the role played by observers’ personalities in attractiveness judgements