Out of nothingness: rhythm and the making of words

Abstract: This contribution describes some aspects of the work with a four‐year‐old autistic child who was treated for many years with four times weekly sessions of psychotherapy. The fluctuations between the symbolic and non‐symbolic use of external objects are described, as well as the ever changing quality of the child's object relations. The rhythmical element in the analysand‐analyst interplay is of great importance: the construction of the temporal shapes (Alvarez) and the modulation of presence and absence are relevant as regards the progressive capacity to name aspects of external reality and subjective experience. From a theoretical point of view, the contributions of both the post‐Jungian, including Michael Fordham, and the post‐Kleinian traditions are outlined. The notions of pre‐conception (Bion) and of archetype (Jung) are immensely helpful in working with autistic children as they actually help the analyst in assuming that some proto‐trace of representational potential is always present in the individual.     

A Bayesian-optimal principle for learner-friendly adaptation in learning games

Adaptive learning games should provide opportunities for the student to learn as well as motivate playing until goals have been reached. In this paper, we give a mathematically rigorous treatment of the problem in the framework of Bayesian decision theory. To quantify the opportunities for learning, we assume that the learning tasks that yield the most information about the current skills of the student, while being desirable for measurement in their own right, would also be among those that are efficient for learning. Indeed, optimization of the expected information gain appears to naturally avoid tasks that are exceedingly demanding or exceedingly easy as their results are predictable and thus uninformative. Still, tasks that are efficient for learning may be experienced as too challenging, and the resulting failures can lower motivation. Therefore, in addition to quantifying the expected informational benefit for learning of any prospective task to be presented next, we also model the expected motivational cost of its presentation, measured simply as the estimated probability of failure in our example model. We propose a “learner-friendly” adaptation algorithm that chooses the learning tasks by optimizing the expected benefit divided by the expected cost. We apply this algorithm to a Rasch-like student model implemented within a real-world application and present initial results of a pilot experiment.     

首词和尾词频率对高熟悉度成语识别的影响

采用词汇判定法,考察首词频率和尾词频率对高熟悉度四字成语识别的影响。实验结果表明:(1)对高熟悉度成语的识别规律与多层聚类表征模型的观点比较吻合;(2)构成成语的成份词对成语表征有竞争和干扰作用,高频率成份词相对于低频率成份词,对成语表征的竞争和干扰作用较大。     

Experience Influences Affordance Perception for Low Crawling Under Barriers With Altered Body Dimensions

Abstract

We examined the role of experience in affordance perception for low crawling with altered body dimensions under barriers of different heights. Adults decided which of five backpacks (10–30?cm thick) they would be able to wear while low crawling under barriers. Participants were assigned to one of three experience conditions. Participants in the Pre/Post-choice experience condition crawled under the barrier before and after picking a backpack, participants in the Feedback condition crawled under the barrier after picking a backpack, but participants in the No Experience condition received no low-crawling experience. Past research suggests that pre-choice experience with low crawling under the barrier would lead to more accurate responses. Overall, participants in all three conditions scaled the height of the backpack to the barrier height. Pre-choice low-crawling experience strongly influenced backpack choices such that participants in the Pre/Post condition picked significantly smaller backpacks and produced fewer failures than participants in the other conditions. The results provide evidence that brief practice, in an unfamiliar posture, can lead to improvements in affordance perception.     

Authorship Decision Making: An Empirical Investigation

This empirical study concerns the authorship credit decision-making processes and outcomes that occur among coauthors in cases of multiauthored publications. The 2002 American Psychological Association (APA) Ethics Code offers standards for determining authorship order; however, little is known about how these decisions are made in actual practice. Results from a survey of 109 randomly selected authors indicated that most authors were satisfied with the decision-making process and outcome with few disagreements. Participants reported cases of both undeserved authorship being given and omission of deserving contributors' names as coauthors. Some factors associated with authorship decisions included “sense of loyalty or obligation,” “publish or perish pressures,” and “power differentials.” Authors who used APA standards were significantly more satisfied with both the process and outcome of authorship credit decisions.     

Exposure to Unethical Career Events: Effects on Decision Making,Climate, and Socialization

An implicit goal of many interventions intended to enhance integrity is to minimize peoples' exposure to unethical events. The intent of the present effort was to examine if exposure to unethical practices in the course of one's work is related to ethical decision making. Accordingly, 248 doctoral students in the biological, health, and social sciences were asked to complete a field appropriate measure of ethical decision making. In addition, they were asked to complete measures examining the perceived acceptability of unethical events and a measure examining perceptions of ethical climate. When these criterion measures were correlated with a measure examining the frequency with which they had been exposed to unethical events in their day-to-day work, it was found that event exposure was strongly related to ethical decision making but less strongly related to climate perceptions and perceptions of event acceptability. However, these relationships were moderated by level of experience. The implications of these findings for practices intended to improve ethics are discussed.     

Environmental Influences on Ethical Decision Making: Climate and Environmental Predictors of Research Integrity

It is commonly held that early career experiences influence ethical behavior. One way early career experiences might operate is to influence the decisions people make when presented with problems that raise ethical concerns. To test this proposition, 102 first-year doctoral students were asked to complete a series of measures examining ethical decision making along with a series of measures examining environmental experiences and climate perceptions. Factoring of the environmental measure yielded five dimensions: professional leadership, poor coping, lack of rewards, limited competitive pressure, and poor career direction. Factoring of the climate inventory yielded four dimensions: equity, interpersonal conflict, occupational engagement, and work commitment. When these dimensions were used to predict performance on the ethical decision-making task, it was found that the environmental dimensions were better predictors than the climate dimensions. The implications of these findings for research on ethical conduct are discussed.     

Are Past Normative Behaviors Predictive of Future Behavioral Intentions?

We acknowledge the limitations in measures of moral reasoning and pursue an alternative technique by investigating past behaviors as they relate to present behavioral intentions. Our purpose is to evaluate the merits of patterned normative behavior for predicting present and future, morally relevant outcomes. Participants (N = 177) completed a policy capturing experimental design responding to questions that orthogonally varied the situational nature of the decision context. Results indicate that past normative behaviors are significantly and directly related to ethical behavioral intentions. Moreover, they moderate the relationships between situational factors and intended outcomes as well as moral reasoning and intended outcomes.     

Structuring Case-Based Ethics Training: How Comparing Cases and Structured Prompts Influence Training Effectiveness

This study examined how structuring case-based ethics training, either through (a) case presentation or (b) prompt questions, influences training outcomes. Results revealed an interaction between case presentation and prompt questions such that some form of structure improved effectiveness. Specifically, comparing cases led to greater sensemaking strategy use and decision-ethicality when trainees considered unstructured rather than structured prompts. When cases were presented sequentially, structuring prompts improved training effectiveness. Too much structure, however, decreased future ethical decision making, suggesting that there can be too much of a good thing when structuring case-based ethics education. Implications for designing ethics training programs are discussed.     

The Influence of Temporal Orientation and Affective Frame on Use of Ethical Decision-Making Strategies

This study examined the role of temporal orientation and affective frame in the execution of ethical decision-making strategies. In reflecting on a past experience or imagining a future experience, participants thought about experiences that they considered either positive or negative. The participants recorded their thinking about that experience by responding to several questions, and their responses were content-analyzed for the use of ethical decision-making strategies. The findings indicated that a future temporal orientation was associated with greater strategy use. Likewise, a positive affective frame was associated with greater strategy use. Future orientation may permit better strategy execution than a past orientation because it facilitates more objective, balanced contemplation of the reflected-upon situation and minimizes potential self-threat associated with past behavior. A positive affective frame likely improves strategy execution because it facilitates active analysis of the experience. Future directions and implications of these findings are discussed.