Properties of hypothesis testing techniques and (Bayesian) model selection for exploration‐based and theory‐based (order‐restricted) hypotheses

In this paper, the performance of six types of techniques for comparisons of means is examined. These six emerge from the distinction between the method employed (hypothesis testing, model selection using information criteria, or Bayesian model selection) and the set of hypotheses that is investigated (a classical, exploration‐based set of hypotheses containing equality constraints on the means, or a theory‐based limited set of hypotheses with equality and/or order restrictions). A simulation study is conducted to examine the performance of these techniques. We demonstrate that, if one has specific, a priori specified hypotheses, confirmation (i.e., investigating theory‐based hypotheses) has advantages over exploration (i.e., examining all possible equality‐constrained hypotheses). Furthermore, examining reasonable order‐restricted hypotheses has more power to detect the true effect/non‐null hypothesis than evaluating only equality restrictions. Additionally, when investigating more than one theory‐based hypothesis, model selection is preferred over hypothesis testing. Because of the first two results, we further examine the techniques that are able to evaluate order restrictions in a confirmatory fashion by examining their performance when the homogeneity of variance assumption is violated. Results show that the techniques are robust to heterogeneity when the sample sizes are equal. When the sample sizes are unequal, the performance is affected by heterogeneity. The size and direction of the deviations from the baseline, where there is no heterogeneity, depend on the effect size (of the means) and on the trend in the group variances with respect to the ordering of the group sizes. Importantly, the deviations are less pronounced when the group variances and sizes exhibit the same trend (e.g., are both increasing with group number).     

A matter of font type: The effect of serifs on the evaluation of scientific abstracts

Text‐based communication is one of the substantial ways of spreading scientific information. While the content and contextual aspects of written words have been widely researched, the impact of font characteristics on text perception is an almost blank page. The following study deals with the influence of serifs on the evaluation of online‐presented scientific abstracts. Yet there is only evidence for faster reading times when texts are presented in sans‐serif fonts, although the opposite is stated in parts of the literature. The present work examines if the presence or absence of serifs also have an impact on the appraisal of scientific texts when all other important font characteristics do not change. For this purpose, 188 university students participated in an online experiment and rated different aspects of scientific abstracts as well as of the research outlined in the abstracts. The results show that missing serifs led to increased reading speed. However, and in contrast to the perceptual fluency hypothesis, the presence of serifs had a positive effect on all evaluation dimensions. The results of a second study with 187 participants also indicated that reading fluency counteracted the liking of texts. Implications for future studies and media production are discussed.     

Transformative Theory in Social and Organizational Research

In social and organizational research, theory is conventionally used to explain social phenomena. However, theory may be transformative in the sense that in using and testing the theory in a practical domain, researchers may attempt to help practitioners transform and improve their social practices and institutions. This idea is illustrated by a research-and-development project in Denmark, headed by the author, which used transformative theory to design professional conferences that are more conducive to participant learning and involvement than is the conventional, lecture-based format. A number of learning techniques were derived from the theory and were tested as hypotheses: When implemented in thirty live conference experiments, did they contribute to learning, as specified by the theory? Used in this manner, transformative theory may supplement the aspirations motivating change agents by some of the well-known qualities of scientific research, including theoretical grounding, a coherent ontology, testable hypotheses, systematic evaluation, external validity, and theory–action consistency.     

RELIGIOUS HYPOTHESES AND THE APOPHATIC,RELATIONAL THEOLOGY OF CATHERINE KELLER

In one of its most urgent folds, Catherine Keller's Cloud of the Impossible juxtaposes negative theology with relational theology for the sake of thinking constructively about today's global climate of religious conflict and ecological upheaval. The tension between these two theological approaches reflects her desire to unsay past harmful theological speech but also to speak into the present silences about the (perhaps im)possibility of a future that is not only to be feared. Suffusing Keller's Cloud is the related (perhaps im)possibility of living out one's life in conversation with a religious tradition having accepted the nonknowing character of its wisdom. Here, I develop the notion of “hypothetical faith” as an epistemic posture that commits itself to some particular religious tradition even as it acknowledges the unverifiability of that tradition's deepest truths. Understood as operating at the opposite end of the testability spectrum from science, religion‐as‐hypothesis provides a way of saying and unsaying one's tradition at the same time.     

Links among the Self,Stress, and Psychological Distress during Emerging Adulthood: Comparing Three Theoretical Models

The authors tested three theoretical models linking self, stress, and psychopathological distress in emerging adulthood. The vulnerability model posits that self-concept pathology leads to distress. The scarring model postulates that distress and stress lead to self-concept pathology. The stress generation model stipulates that distress and self-concept pathology lead to the experience of episodic and chronic life stress. Change in ruminative brooding was examined as a potential mechanism in all models. One-hundred and seventy Israeli freshmen (M_[age]?=?23.19, 68% females) were followed up three times over the duration of one year. Distress and six dimensions of the self (self-criticism, self-concept inadequacy, hated sense of self, self-esteem, generalized self-efficacy, and self-concept clarity) were assessed repeatedly. Acute and chronic stresses were measured at Time 2 using the University of California, Los Angeles (UCLA) Stress Interview. Distress prospectively predicted self-concept pathology pertaining to all of the dimensions, except self-concept clarity, which was adversely affected by chronic stress. Change in ruminative brooding mediated scarring for self-criticism, a hated self, and self-concept clarity. Low self-esteem emerged as a powerful chronic stress generator. Self-concept clarity was as the only dimension leading to change in distress. In emerging adulthood, psychological distress and—to a lesser extent—chronic stress might “scar” the self.     

付出-回馈失衡工作压力理论的迁移、拓展与展望

付出-回馈失衡工作压力理论(Effort-Reward Imbalance,ERI)是基于社会交换公平的工作压力理论,从付出、回馈、过度投入三个方面探讨了工作压力的形成机制和作用机理。在对近十几年来有关ERI模型实证研究文献的梳理和分析的基础上,介绍该理论在多个领域的拓展以及在国内外的新进展,包括对ERI理论中间变量及前因变量的探索,研究者们开始将ERI理论迁移到社会的多个领域,以及ERI理论在中国的检验与创新,并提出研究展望与付出-回馈动态交叉失衡模型的假设构想。     

Does COVID-19 impact the frequency of threatening events in dreams? An exploration of pandemic dreaming in light of contemporary dream theories

Ninety-one dreams collected during the Covid-19 pandemic (the epidemic-situation sample) were compared with ninety-one dreams collected before the start of the epidemic (the non-epidemic-situation sample). The dreams were classified according to their content, using methods based on previous studies. The frequency of themes was compared to predictions that would be anticipated by three contemporary theories of dreaming: 1) threat simulation theory (TST); 2) incorporation continuity hypothesis (ICH); and 3) social simulation theory (SST). The epidemic-situation sample dreamed more of threatening events than the non-epidemic-situation sample (supporting the TST) and more of non-aggression threatening events, possibly due to the hyperassociation during sleep. However, the epidemic-situation sample did not show a greater prevalence of illness events in dreams (not supporting the ICH). Additionally, there was no significant difference in social neutral and positive events in dreams between the two samples as would have been predicted by the SST.     

得失不对称：跨期选择中自我-他人决策差异

采用跨期选择任务范式,考察得失情境下自我–他人决策差异。结果发现：（1）为自己决策比为他人决策更偏好于选择即刻选项;（2）损失情境比获益情境下更偏好于选择即刻选项;（3）获益情境下为自己决策与为他人决策在选择即刻选项上不存在显著差异,而损失情境下为自己决策比为他人决策更偏好于选择即刻选项,表明得失情境下自我–他人决策差异存在不对称性。     

Is the Lateralized Categorical Perception of Color a Situational Effect of Language on Color Perception?

This study investigated whether and how a person's varied series of lexical categories corresponding to different discriminatory characteristics of the same colors affect his or her perception of colors. In three experiments, Chinese participants were primed to categorize four graduated colors—specifically dark green, light green, light blue, and dark blue—into green and blue; light color and dark color; and dark green, light green, light blue, and dark blue. The participants were then required to complete a visual search task. Reaction times in the visual search task indicated that different lateralized categorical perceptions (CPs) of color corresponded to the various priming situations. These results suggest that all of the lexical categories corresponding to different discriminatory characteristics of the same colors can influence people's perceptions of colors and that color perceptions can be influenced differently by distinct types of lexical categories depending on the context.     

Integrating Fast and Frugal Heuristics with a Model of Memory‐based Cue Generation

Although the fast and frugal heuristics have been studied extensively, relatively little attention has been paid to how cues are generated to be used within the heuristics. The goal of this paper is to propose and test a memory‐based model of how cues are generated and used in cue‐based inferences. The current study advances theory by integrating the fast and frugal heuristics with HyGene, a memory‐based model of how decision makers generate and evaluate hypotheses. Using archival data in which memory retrieval variables were not directly manipulated, we demonstrate that participants' cue selection behavior is consistent with memory‐based retrieval. Further, by directly manipulating memory retrieval within a cue‐based stock‐forecasting task, we demonstrate that memory processes underlie cue use. Participants' cue use varied depending on the relationship between cue validity and the frequency with which the cues were seen during learning. The HyGene model provided the best account of the empirical data, providing further evidence for the critical role of memory in judgment and decision making. Copyright © 2018 John Wiley & Sons, Ltd.