Explanation,updating, and accuracy

There is evidence that people update their credences partly on the basis of explanatory considerations. Philosophers have recently argued that to minimise the inaccuracy of their credences, people's updates also ought to be partly based on such considerations. However, there are many ways in which explanatory considerations can factor into updating, not all of which minimise inaccuracy. It is an open question whether in their updating, people take explanatory considerations into account in a way that philosophers would deem recommendable. To address this question, we re-analyse data from an experiment reported in Douven and Schupbach, “The role of explanatory considerations in updating” (Cognition, 2015).     

Decision bias and personnel selection strategies

The purpose of this study was to examine the influence of two decisional biases—framing and cost salience—on personnel selection decisions. One hundred twenty-eight graduate and undergraduate students participated in a personnel selection simulation. Framing was manipulated by inducing participants to use either a “rejecting” strategy (identify those applicants whom you would not interview) or an “accepting” strategy (list those applicants whom you would interview). Cost salience was manipulated by making selection-related costs either implicit or explicit. Results showed that “accepting” strategy subjects selected less applicants to be interviewed than “rejecting” strategy subjects, but only when selection-related costs were made salient. More time was required for subjects to make their selection decisions when selection-related costs were made salient. Framing and cost salience also influenced the success probability thresholds used by subjects to select applicants. Limitations of this research and directions for future study were discussed.     

中央执行子功能对预期式时距估计的作用——基于结构方程模型的结果

采用结构方程模型的方法探讨中央执行系统与时距加工过程的关系,考察三种中央执行子功能(转换,抑制,刷新)对预期式长、短时距估计(两种标准时距:2s,5s)的作用模式。结果发现刷新功能对长、短时距估计任务都产生影响;抑制功能只作用于长时距估计;转换功能不参与单独的预期式时距估计过程。结果表明,三种执行子功能对预期式短时距加工和长时距加工的作用不同,支持时距加工的差异机制假设。     

Learning what from where: Effects of spatial regularity on nonspatial sequence learning and updating

The current study examined the influence of redundant stimulus features on our ability to build and update representations of our environment. We hypothesized that our ability to process redundant spatial features would speed our ability to adapt to changing nonspatial regularities. Using a computerized version of the children's game “rock–paper–scissors”, undergraduates were instructed to win as often as possible against a computer opponent. The computer's plays were repeating sequences of five choices that were presented either with spatial regularity (i.e., “rock” would always appear on the left, “paper” in the middle, and “scissors” on the right) or without spatial regularity (i.e., the items were equally likely to appear in any of the three locations). Once participants learned a sequence, the computer switched to a different sequence without participants being informed that a switch had occurred. Redundant spatial regularity improved a participant's ability both to learn sequences of plays and to update their plays to reflect new computer sequences. Our results suggest that our perceptual system is sensitive to redundant spatial stimulus features and that this information can improve learning and updating.     

The Effects of Prior Learned Strategies on Updating an Opponent's Strategy in the Rock,Paper, Scissors Game

To explore how model building adapts to changing environments, we had participants play “rock‐paper‐scissors” against a computer that played a frequency bias or a player‐dependent bias and then switched. Participants demonstrated their use of prior experience in how quickly they recognized and exploited changes in the computer's play strategy; in general, the more similar the strategies, the more efficient the updating. These findings inform our understanding of previously reported updating impairments in right‐brain damaged patients.     

Processes of Social Influence on Sampling Behavior: The Effect of Other's Positive Attitude and Receiver's Prior Experience

Studies about attitude formation have pointed out the importance of sampling behavior. When thinking about actual social interaction scenes, it may be better to consider them as attitude-updating processes between those who have already formed attitudes based on some experience. Sixty-five participants took part in the experiment, in which the other's positive attitude and the participant's own prior experience were manipulated. After participants had been presented five types of puzzles (experience: direct vs. indirect), which had been made to improve analytic ability, their attitudes towards the puzzles were measured (“pre attitude”). They were shown the other's positive attitude (inconsistent vs. consistent), and they were given 10 min of free time before “testing on their analytic ability.” The amount of time spent on each puzzle was recorded to index sampling behavior and the attitudes towards the puzzles were measured after the free time (“post attitude”). The results of analyses showed that the other's positive attitude increased sampling behavior when the participant's attitude was positive (first-ranked) and negative (fifth-ranked), and that prior experience and sampling contributed to attitude change for the first-ranked puzzle. Those who had had direct experience and those who had spent more time sampling this puzzle tended to maintain their previous positive attitude. The potential boundary conditions of social influence on sampling behavior are discussed.     

Decline in working memory updating through ageing: Intrusion error analyses

The present research examines the decline in working memory updating through age. Two experiments compared groups of participants in different age ranges (young‐old, 55–65 years, old, 66–75 years and old‐old, more than 75 years and, in Experiment 2 only, young, 20–30 years). Memory updating tasks were administered, which required participants to remember the smallest items in each list. To perform the task correctly, participants had to update information efficiently, reducing interference from items no longer relevant. Intrusion errors were computed and in the first experiment these were described as “intrusions of irrelevant items” (immediate exclusion) and “intrusions of once relevant items” (delayed exclusion). The oldest adults performed worse in memory updating and made a greater number of intrusion errors of once relevant information. In the second experiment results showed that increases in memory load (number of items that had to be remembered) and updating demand (number of potentially relevant items) impaired performance. The oldest adults had greater difficulty when the task demand was increased. Furthermore, they produced a higher number of intrusion errors, particularly when the updating demand was increased. It therefore appears that elderly people have specific difficulty in updating information in working memory by excluding irrelevant information.     

Age differences in verbal and visuo-spatial working memory updating: evidence from analysis of serial position curves

Memory updating is the ability to select and update relevant information and suppress no-longer-relevant data. The few studies in this area, targeting mainly the verbal domain, have investigated and confirmed an age-related decline in working memory updating ability (De Beni & Palladino, 2004; Van der Linden, Bredart, & Beerten, 1994). The present research examines the ability of younger and older adults to update information in verbal and visuo-spatial running memory tasks. Results showed that the participants' performance was higher in the verbal than in the visuo-spatial task. Nonetheless, independently of the task domain, an age-related decline in updating performance was found. Moreover, analysis of serial positions suggested that, in the updating procedure, the participants were not attempting to actively maintain items, preferring to adopt a low-effort, "recency-based" strategy. The use of this type of strategy is more evident in older participants, as shown in both the accuracy performance and the proportion of intrusion errors.     

The Big Five,self-esteem,and narcissism as predictors of the topics people write about in Facebook status updates

Status updates are one of the most popular features of Facebook, but few studies have examined the traits and motives that influence the topics that people choose to update about. In this study, 555 Facebook users completed measures of the Big Five, self-esteem, narcissism, motives for using Facebook, and frequency of updating about a range of topics. Results revealed that extraverts more frequently updated about their social activities and everyday life, which was motivated by their use of Facebook to communicate and connect with others. People high in openness were more likely to update about intellectual topics, consistent with their use of Facebook for sharing information. Participants who were low in self-esteem were more likely to update about romantic partners, whereas those who were high in conscientiousness were more likely to update about their children. Narcissists’ use of Facebook for attention-seeking and validation explained their greater likelihood of updating about their accomplishments and their diet and exercise routine. Furthermore, narcissists’ tendency to update about their accomplishments explained the greater number of likes and comments that they reported receiving to their updates.     

The Influence of Masked Stimuli on Response Selection: Evidence from a Semantic Categorization Task

Unconscious visual stimuli can be processed by human observers and influence their behaviour. A striking example is a phenomenon known as “free-choice priming,” where masked “prime” stimuli—of which participants are unaware—modulate which of two response alternatives they are likely to choose. Recent efforts to uncover the mechanisms underlying this intriguing effect have revealed that free-choice priming can emerge even in the absence of automatized stimulus-response (S-R) associations between masked primes and specific motor responses, indicating that free choices can be influenced by a masked prime’s meaning (Ocampo, 2015). It remains unknown, however, whether masked primes bias response selections because they are implicitly classified according to task instructions, or because spreading activation occurs within the prime's semantic network. To adjudicate between these two possibilities, participants in the present experiment categorised targets as either animals or people and selected which of two response alternatives they wanted to make following presentation of a free-choice target. Crucially, while implicit classifications could proceed during processing of both animal and person masked primes, only animal primes could trigger spreading activation within their semantic network. This manipulation modulated free-choice priming; only masked animal primes influenced response selections to free-choice targets. This result indicates that an automatic spreading activation mechanism might underlie a masked prime’s ability to influence free-choice responses.     

Search for Security

This article uses fictionalized accounts of counseling situations in various periods of history—prehistorical, Greek, Middle Ages, and the twentieth century—to illustrate that man's search for security, his need for an answer to the question “What shall I do?” and other men's responses to that need have not changed much throughout history.     

“Putin,You Suck”: Affective Sticking Points in the Czech Narrative on “Russian Hybrid Warfare”

Using the case of the Czech narrative on “Russian hybrid warfare” (RHW), this article contributes to the broader question of why narratives succeed. Building on Lacanian psychoanalysis, narrative scholarship, and affect/emotions research in International Relations, we suggest that narrative success is facilitated also by two interrelated factors: embedding in broader cultural contexts and the ability to incorporate and reproduce collectively circulating affects. We develop a methodological framework for encircling unobservable affects within discourse via “sticking points”—linguistic phenomena infused with affective investment. We outline three categories of sticking points—valued signifiers, fantasies, and biographical narratives. Utilizing the approach in our case study, we focus on a narrative based around the notion that Russia waged a “hybrid war” against “the West” and that this should be faced with quasi‐military measures, which was successful in changing the language of Czech national security. We show that this narrative incorporated a range of sticking points, which contributed to its relative success. It utilized valued signifiers, such as “the West,” “the Kremlin,” “agents,” and “occupation,” weaved them together into a fantasy of a threat to the nation's “Western” identity, and intertwined this with the biographical narratives of history as a lens for world politics and East/West geopolitics.     

Cognitive changes in conjunctive rule-based category learning: An ERP approach

When learning rule-based categories, sufficient cognitive resources are needed to test hypotheses, maintain the currently active rule in working memory, update rules after feedback, and to select a new rule if necessary. Prior research has demonstrated that conjunctive rules are more complex than unidimensional rules and place greater demands on executive functions like working memory. In our study, event-related potentials (ERPs) were recorded while participants performed a conjunctive rule-based category learning task with trial-by-trial feedback. In line with prior research, correct categorization responses resulted in a larger stimulus-locked late positive complex compared to incorrect responses, possibly indexing the updating of rule information in memory. Incorrect trials elicited a pronounced feedback-locked P300 elicited which suggested a disconnect between perception, and the rule-based strategy. We also examined the differential processing of stimuli that were able to be correctly classified by the suboptimal single-dimensional rule (“easy” stimuli) versus those that could only be correctly classified by the optimal, conjunctive rule (“difficult” stimuli). Among strong learners, a larger, late positive slow wave emerged for difficult compared with easy stimuli, suggesting differential processing of category items even though strong learners performed well on the conjunctive category set. Overall, the findings suggest that ERP combined with computational modelling can be used to better understand the cognitive processes involved in rule-based category learning.     

Great Expectations: The Negative Consequences of Falling Short1

The present study shows conditions under which a positive stereotypic belief–Asians are good in mathematics–can have negative consequences. Participants graded a poorly performed mathematical assignment that they believed was the work of an Asian or a White target person. Under no accuracy instructions, participants who spent less time grading (unmotivated participants) assigned fewer points to the Asian than the White target. There was no difference in assignment of points to the Asian or the White target when participants were given accuracy instructions or spent more time grading (motivated participants). The findings suggest that group members may experience negative consequences when they fall short of “great expectations” stemming from a positive stereotypic belief about their group.     

Revisiting the university front

The article argues that the most important trends in the recent metamorphosis of higher education, especially of university teaching and research, cannot be understood without placing them in the context of general developments in political life. Both processes reveal alarming features and there is a link between them. In recent decades a religion has established its dominance in the public policy field. Its dogmas are called “liberalization”, “economic man”, “individual preference”, “the free market”, “competition” and “efficiency”. The consequences of the progressive imposition of this doctrine on the universities—including on the relation between teaching and research—are well documented but not always well understood. It is argued that the “commercialization” of higher education and research means in reality their hyper-bureaucratization, via the imposition of so-called evaluation, assessment and accreditation schemes, the latest avatars of the managerialist ideology. Might the final result be the disintegration of the university as an institution?     

Meaning of Social Inclusion to Young People Not in Employment,Education or Training

The ‘social inclusion’ of young people, particularly those who are ‘not in education, employment or training’, is a contemporary concern in policy discourses. However, it has been argued that the term ‘social inclusion’ is defined by adults and imposed on young people, and there is little understanding of what ‘social inclusion’ means to young people themselves. Using a participatory methodology, this study investigated what ‘being included’ meant to young people. A qualitative approach with a thematic analysis was used to explore the accounts of 11 participants and yielded three main themes. ‘“Acceptance”—the building blocks of inclusion’ reflected the power of interpersonal acceptance in determining young people's sense of inclusion. ‘“Learning why I don't matter”—when power and discourse shape inclusion’ illustrated how social discourses and power dynamics influenced young people's experience of inclusion. ‘“Keeping up or falling behind”—internalising the discourse of inclusion’ reflected how young people internalised some of these societal definitions of inclusion and responded to them. Those who felt ‘accepted’ or ‘included’ in a ‘mainstream’ sense articulated a sense of agency and hope. For those who did not, it appeared that agency dissolved as did a sense of hope for the future. Although the participants negotiated their ‘inclusion’ through close, trusting relationships with others, the application of the societal discourses of inclusion such as productivity, independence and career mindedness had the potential to leave them feeling excluded, isolated and distressed. Copyright © 2011 John Wiley & Sons, Ltd.     

The role of working memory in information acquisition and decision making: Lessons from the binary prediction task

The effects of memory constraints upon information acquisition and decision making were examined in two experiments using binary prediction tasks, where participants observe outcomes for two options before deciding which one to bet upon. Our studies extend previous investigations to the case where participants learn the structure of the task through observation, but where information acquisition is separated from the task of prediction. Participants with higher cognitive capacity (larger memory span or higher intelligence) were more likely to adopt the “maximizing” strategy (always selecting the more frequent alternative). This finding conflicts with some recent investigations of similar tasks, a contrast that implies that the presence of feedback on choices may be important in determining the strategic actions of high-capacity individuals. Participants selecting the optimal strategy were in turn more efficient in their data acquisition. The behaviour of participants adopting suboptimal choice strategies was consistent with prediction based upon a “narrow window of experience”—that is, seeking to match the characteristics of small samples of observations.