Psychology Experiment Authoring Kit (PEAK): Formal usability testing of an easy-to-use method for creating computerized experiments

In academic courses in which one task for the students is to understand empirical methodology and the nature of scientific inquiry, the ability of students to create and implement their own experiments allows them to take intellectual ownership of, and greatly facilitates, the learning process. The Psychology Experiment Authoring Kit (PEAK) is a novel spreadsheet-based interface allowing students and researchers with rudimentary spreadsheet skills to create cognitive and cognitive neuroscience experiments in minutes. Students fill in a spreadsheet listing of independent variables and stimuli, insert columns that represent experimental objects such as slides (presenting text, pictures, and sounds) and feedback displays to create complete experiments, all within a single spreadsheet. The application then executes experiments with centisecond precision. Formal usability testing was done in two stages: (1) detailed coding of 10 individual subjects in one-on-one experimenter/subject videotaped sessions and (2) classroom testing of 64 undergraduates. In both individual and classroom testing, the students learned to effectively use PEAK within 2 h, and were able to create a lexical decision experiment in under 10 min. Findings from the individual testing in Stage 1 resulted in significant changes to documentation and training materials and identification of bugs to be corrected. Stage 2 testing identified additional bugs to be corrected and new features to be considered to facilitate student understanding of the experiment model. Such testing will improve the approach with each semester. The students were typically able to create their own projects in 2 h.     

Was Babbage's Analytical Engine intended to be a mechanical model of the mind?

In the 1830s, Charles Babbage worked on a mechanical computer he dubbed the Analytical Engine. Although some people around Babbage described his invention as though it had authentic mental powers, Babbage refrained from making such claims. He does not, however, seem to have discouraged those he worked with from mooting the idea publicly. This article investigates whether (1) the Analytical Engine was the focus of a covert research program into the mechanism of mentality; (2) Babbage opposed the idea that the Analytical Engine had mental powers but allowed his colleagues to speculate as they saw fit; or (3) Babbage believed such claims to be fanciful, but cleverly used the publicity they engendered to draw public and political attention to his project.     

Alcohol Affects Emotion Through Cognition

Determining how cognition and emotion interact is pivotal to an understanding of human behavior and its disorders. Available data suggest that changes in emotional reactivity and behavior associated with drinking are intertwined with alcohol's effects on cognitive processing. In the study reported here, we demonstrated that alcohol dampens anticipatory fear and response inhibition in human participants not by directly suppressing subcortical emotion centers, as posited by traditional tension-reduction theories, but instead by impairing cognitive-processing capacity. During intoxication, reductions in fear response (assessed via startle potentiation) occurred only under dual-stimulus conditions, and coincided with reduced attentional processing of threat cues as evidenced by brain response (assessed via P3 event-related potentials). The results are consistent with higher cortical mediation of alcohol's effects on fear, and illustrate more broadly how disruption of a cognitive process can lead to alterations in emotional reactivity and adaptive behavior.     

Standard posture,postural mirroring and client-perceived rapport

The relationship between client-perceived rapport (as measured from a standardized client) and physical mirroring and the standard counsellor posture was investigated with interviews performed by 59 post-graduate students in counselling psychology. Videotaped recordings were used to code counsellor posture in the categories of: total postural mirroring, mirroring of the hands and arms, mirroring of the legs, mirroring of the torso, and the frequency of the standard counsellor posture across each minute of the interviews. These minutes were classified as 'high' in rapport or 'low' in rapport as measured by the standardized client. Results indicated that there was significantly more postural mirroring of the torso during high versus low minutes, but that the counsellor standard posture occurred significantly more frequently during low rapport minutes than in high rapport minutes. However, when examined over the entire length of the interviews, these data were able to be understood in terms of counsellor 'flexibility' of response rather than simply whether these postural behaviours were present or not. Implications for counsellor training are discussed.     

Understanding Dignity in the Lives of Homeless Persons

The current investigation is a planned, systematic study of dignity as critical to understanding the experience of homelessness and improving services and programs for the homeless. Specifically, we conducted a thematic content analysis of interviews with 24 homeless men and women to identify their perception of specific environmental events that validate and invalidate dignity. In addition, we explored the impact that these events have on homeless persons. Eight types of events were identified that sustain dignity such as being cared for by staff and having resources available to meet basic needs. Eight types of events were found that undermine dignity, such as being yelled at or insulted by staff persons and having staff use rules in an excessive and arbitrary way. Two outcomes followed the sustenance of dignity including increased self-worth and motivation to exit homelessness. Three outcomes followed the undermining of dignity including anger, depression, and feelings of worthlessness. The results suggest that dignity is an important variable to consider in understanding the experience of homelessness. Policies and programs that support validating the dignity of homeless persons are encouraged.     

Questionnaire Assessment Potentially Overestimates Anxiety in Parkinson's Disease

Assessment of anxiety in Parkinson's disease (PD) is complicated by symptoms, such as trembling and shaking, that the two disorders have in common. This symptom overlap produces a potential for overestimation of the rate and severity of anxiety when assessed by self-report questionnaire. The purpose of this study is to estimate the extent to which anxiety scores in PD patients might be overestimated by two commonly-used mood state questionnaires. Fifty-nine patients with PD were administered the Beck Anxiety Inventory and the Profile of Mood States. Results indicate that the rate of clinically significant anxiety on these measures is indeed higher than the rate of clinical anxiety as determined by interview alone, suggesting the potential for overestimation of anxiety in PD when using self-report questionnaires.     

Church-Based Social Support and Religious Coping

The purpose of this study is twofold: to explore the nature of church-based social support, and to see whether support received in religious settings is related to the use of religious coping methods. The data come from a nationwide survey of members of the Presbyterian Church USA. Three dimensions of religious support are examined in detail: emotional support from church members, spiritual support from church members, and emotional support from the pastor. These dimensions of support are used to evaluate an issue that has been largely overlooked in the literature—the relationship between religious support and religious coping. The findings reveal that people are especially inclined to use positive religious coping responses when they receive spiritual support from church members. Even though emotional support from the pastor also increases the use of religious coping methods, the relationship is not as strong. Finally, emotional support from church members has no effect.     

Was It My Fault? Effects of Counterfactual Mutation Focus and Self‐Presentation Strategy1

A recent perspective proposes that counterfactual thinking mutates controllable events that could have prevented a specific outcome, and so provides knowledge that can be used to prevent similar outcomes in the future. This implies that counterfactual thinking does not necessarily influence causal reasoning, although they may be associated in some circumstances. Results of 2 studies reported here show that, for serious outcomes where actions of the self are antecedents and different self‐actions might have prevented the outcome, there was an associated increase in self‐blame. Findings from these studies also suggest that whether self‐mutations are reflected in public expressions of blame will depend on whether the context favors self‐serving self‐presentation strategies, or mitigating strategies incorporating the face concerns of others.