Effects of advance organizers,mental models and abilities on task and recall performance using a mobile phone network

Mobile phone usage is now at saturation point in most Western countries. The current research investigated the usability of services provided by a mobile phone network, specifically whether two different forms (text, graphic) of an advance organizer (AO) assisted novice users in applying information supplied in a manual. It was hypothesized that a graphic AO would facilitate the development of coherent mental models of the network to enhance task performance, and that lower ability groups in particular would benefit from AOs. Contrary to prediction, the text AO group outperformed both the graphic AO and control groups. Lower ability groups also benefited more from a text AO than a graphic AO. Copyright © 2006 John Wiley & Sons, Ltd.     

Alcohol seeking by rats: Action or habit?

In two experiments, we examined the relative susceptibility to outcome devaluation of lever pressing by rats for either a 10% ethanol solution or food pellets. The rats were trained to press different levers for these two reinforcers using a sucrose-substitution procedure. An aversion was then conditioned from either the ethanol solution or the food pellets by pairing consumption with illness induced by lithium chloride. When instrumental performance was subsequently tested in extinction, the rats pressed less on the pellet lever if the pellets, rather than the ethanol, had been devalued by aversion conditioning. By contrast, performance on the ethanol lever was unaffected by whether the ethanol or pellets were devalued. Moreover, noncontingent presentations of the devalued reinforcer had no impact on test performance. The differential resistance to outcome devaluation suggests that, in contrast to food seeking, alcohol seeking is a stimulus-response habit rather than a goal-directed action mediated by a representation of the action-outcome contingency.     

Gender Stereotypes of Emotional Reactions: How We Judge an Emotion as Valid

In this paper we report a partial replication of the finding that women face a double-bind with respect to emotional expression (Kelly & Hutson-Comeaux, 2000) and explore the hypothesis that gender-inconsistent emotional reactions are perceived to be more valid indicators of one's underlying emotional experience than gender-consistent emotional reactions. Men and women evaluated the appropriateness and sincerity of women's and men's overreactions to happy and angry events in both interpersonal and achievement contexts. Women's overreactions to happy events were judged as less appropriate and their emotional reactions were perceived as less sincere than were men's, particularly in an interpersonal context. In addition, men's overreactions to angry events in the interpersonal context were judged as less appropriate and less sincere than were women's. Implications of the findings for other types of social judgments are discussed.     

Does jury deliberation really improve jurors' memories?

The courts assume that jury deliberation corrects errors in jurors' memories, so that the verdict is based on accurate memory for the trial. We evaluated the validity of this assumption by examining jurors' memories and verdicts both before and after deliberation. Unlike previous studies, we tracked how event memories changed as a function of how they were discussed in deliberation. Overall, deliberation resulted in only a slight memory improvement. Deliberation corrected errors and did not introduce distortions. Reasons for such slight memory improvement are that jurors did not think they had memory gaps and thus did not use the deliberation process to improve their memory, and jurors who controlled deliberation were not always the most accurate in their memories. Finally, those most likely to change their verdict as a result of deliberation were not those who had the least accurate memories, but rather those who had the least confidence in their memories. Copyright © 2002 John Wiley & Sons, Ltd.     

Pigeons group time intervals according to their relative duration

In the present research, we asked whether pigeons tended to judge time intervals not only in terms of their absolute value but also relative to a duration from which they must be discriminated (i.e., longer or shorter). Pigeons were trained on two independent temporal discriminations. In one discrimination, sample durations of 2 and 8 sec were associated with, for example, red and green hue comparisons, respectively, and in the other discrimination, sample durations of 4 and 16 sec were associated with vertical and horizontal line comparisons, respectively. If pigeons are trained on a temporal discrimination and tested with intermediate durations, the subjective midpoint typically occurs close to the geometric mean of the two trained values. The 4- and 8-sec values were selected to be the geometric mean of the two values in the other discrimination. When a 4-sec test sample was presented with the comparisons from the 2- and 8-sec discrimination, the pigeons preferred the comparison associated with the shorter sample. Similarly, when an 8-sec test sample was presented with the comparisons from the 4-and 16-sec discrimination, the pigeons preferred the comparison associated with the longer sample. Thus, a relative grouping effect was found. That is, durations that should have produced indifferent choice were influenced by their relative durations (shorter than or longer than the alternative) during training.     

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How prior knowledge,WMC, and relevance of information affect eye fixations in expository text

This study examined how prior knowledge and working memory capacity (WMC) influence the effect of a reading perspective on online text processing. In Experiment 1, 47 participants read and recalled 2 texts of different familiarity from a given perspective while their eye movements were recorded. The participants' WMC was assessed with the reading span test. The results suggest that if the reader has prior knowledge related to text contents and a high WMC, relevant text information can be encoded into memory without extra processing time. In Experiment 2, baseline processing times showed whether readers slow down their processing of relevant information or read faster through their relevant information. The results are discussed in the light of different working memory theories.     

Maternal Incarceration,Children’s Psychological Adjustment,and the Mediating Role of Emotion Regulation

Children who live in the context of maternal incarceration (MI) are exposed to both general environmental risk and incarceration-specific risk increasing the probability of their developing externalizing and internalizing behaviors problems. Little research has examined the socio-emotional mechanisms that account for the psychological effects of MI. This research examined children’s anger and sadness regulation as mediators between environmental and incarceration-specific risk and psychological functioning. Participants were 117 children (60% Black; 52% boys; M age = 9.85 years, SD = 1.65 years), their incarcerated mother, and current caregiver. All informants completed questionnaires assessing children’s anger and sadness regulation as well as externalizing and internalizing behaviors. Mothers and caregivers provided information concerning children’s exposure to environmental risk and all three reporters provided information on incarceration-specific risk experiences (ISRE). Structural equation modeling was used to test indirect effects of risk variables (ISRE, environmental) on psychological functioning (externalizing, internalizing behaviors) via emotion regulation (anger, sadness). Gender, age, and race were covariates. The analyses revealed significant indirect effects of incarceration-specific risk on both externalizing and internalizing behavior problems via anger regulation but not via sadness regulation. The findings highlight the centrality of emotion regulation as a mechanism that helps explain the negative psychological outcomes experienced by children exposed to ISRE with implications for preventive interventions.     

Action Type-Based Factorial Structure of Brief COPE among Hong Kong Chinese

Brief COPE (Carver in International journal of Behavioral Medicine, 4(1), 92–100, 1997) is a multidimensional scale that measures situational and dispositional coping responses. This study evaluated its factor structure and psychometric properties using two Hong Kong college samples (Sample 1; n = 204 & Sample 2; n = 221). Results of confirmatory factor analysis (CFA) indicated that an eleven-factor model, based on action goals (Skinner et al. in Psychological Bulletin, 129(2), 216, 2003), demonstrated a good fit across the two samples. The eleven-factor model fit the data better than five alternative models. We also validated a Traditional Chinese translation of the scale. Multiple-groups CFAs indicated partial scalar invariance across the English and Chinese versions in Hong Kong participants. Nonetheless, convergent validity was supported by the associations between the scores of some, but not all, of the dimensions and related psychological constructs, including psychological distress, optimism, and locus of control. Such associations might help differentiate conceptually distinct coping dimensions. Likewise, our results provided support for the reliability of some, but not all, of the subscale scores. In sum, our results support the multidimensionality of Brief COPE and the use of some of the measure’s factors and subscales. Moreover, Brief COPE and its translated version demonstrated acceptable psychometric properties in Hong Kong Chinese.