An intraindividual process approach to the relationship between extraversion and positive affect: is acting extraverted as "good" as being extraverted?

This article investigates whether rapid variation within a person in extraversion is associated with positive affect variation in that person. In Study 1, participants reported their extraversion and positive affect every 3 hr for 2 weeks. Each participant was happier when acting extraverted than when acting introverted. Study 2's diary methodology replicated the relationship for weekly variations in positive affect. Study 3's experimental methodology replicated the relationship when extraversion was manipulated within a fixed situation. Thus, the relationship between extraversion and positive affect, previously demonstrated between persons, also characterizes the internal, ongoing psychological functioning of individuals and is likely to be explained by something capable of rapid intraindividual variation. Furthermore, traits and states are at least somewhat isomorphic, and acting extraverted may increase well-being.     

The Best Question

Journal of Philosophical Logic - Suppose we get a chance to ask an angel a question of our choice. What should we ask to make the most of our unique opportunity? Ned Markosian has shown that the...     

A Mindfulness-Based Meditation Pilot Study: Lessons Learned on Acceptability and Feasibility in Adolescents with Cancer

A growing body of research has documented the psychological impact of cancer on adolescents (such as symptoms of depression, anxiety and withdrawal). Findings from the adult literature suggest that mindfulness-based interventions (MBIs) are a promising treatment option for helping individuals manage cancer and alleviate the associated psychological symptoms. The aim of the present pilot study was to assess the feasibility and acceptability of a MBI for adolescents with cancer and examine its potential positive impact on sleep, mood, and quality of life. Over 9 months of recruitment, 481 youth were screened for participation in this project. Of these, 418 (86.9 %) were excluded because they lived further than 1 h from the intervention site, had no history of cancer, had died or were not reachable by telephone. Of the 63 who were contacted, only 7 (1.4 %) agreed to participate, gave their consent, and provided a complete dataset. A prospective quasi-experimental pretest–posttest design with two groups (experimental; n = 7 and no treatment; n = 7) was used to assess the MBI. Only participants from the experimental group completed follow-up measures at 6 months. Repeated-measure ANOVAs were conducted to assess the impact of the intervention. No significant differences between or within groups were found pre to post assessment and at follow-up. A narrow pool of eligible participants, a high refusal rate, school scheduling conflicts and absenteeism had a significant impact on the final sample size. Suggestions to conduct future trials are presented. Larger randomized-controlled trials are necessary to assess whether MBIs have significant beneficial effects in teenagers with cancer.     

What is a City?

Cities are mysteriously attractive. The more we get used to being citizens of the world, the more we feel the need to identify ourselves with a city. Moreover, this need seems in no way distressed by the fact that the urban landscape around us changes continuously: new buildings rise, new restaurants open, new stores, new parks, new infrastructures… Cities seem to vindicate Heraclitus’s dictum: you cannot step twice into the same river; you cannot walk twice through the same city. But, as with the river, we want and need to say that it is the same city we are walking through every day. It is always different, but numerically self-identical. How is that possible? What sort of mysterious thing is a city? The answer, I submit, is that cities aren’t things. They are processes. Like rivers, cities unfold in time just as they extend in space, by having different temporal parts for each time at which they exist. And walking though one part and then again through another is, literally, walking through the same whole.

     

What is to be done?

The overriding question in contemporary philosophy is as follows: We now have a reasonably well-established conception of the basic structure of the universe. But it is not at all easy to reconcile the basic facts we have come to know with a certain conception we have of ourselves, derived in part from our cultural inheritance but mostly from our own experience. Various aspects of this question are examined, concerning consciousness, intentionality, language, rationality, free will, society and institutions, politics, and ethics.     

A stereo disadvantage for recognizing rotated familiar objects

We tested recognition of familiar objects in two different conditions: mono, where stimuli were displayed as flat, 2-D images, and stereo, where objects were displayed with stereoscopic depth information. In three experiments, participants performed a sequential matching task, where an object was rotated by up to 180° between presentations. When the 180° rotation resulted in large changes in depth for object components, recognition performance in the mono condition showed better performance at 180° rotations than at smaller rotations, but stereo presentations showed a monotonic increase in response time with rotation. However, 180° rotations that did not result in much depth variation showed similar patterns of results for mono and stereo conditions. These results suggest that in some circumstances, the lack of explicit 3-D information in 2-D images may influence the recognition of familiar objects when they are depicted on flat computer monitors.