Single-case effect size calculation: Comparing regression and non-parametric approaches across previously published reading intervention data sets

Growing from demands for accountability and research-based practice in the field of education, there is recent focus on developing standards for the implementation and analysis of single-case designs. Effect size methods for single-case designs provide a useful way to discuss treatment magnitude in the context of individual intervention. Although a standard effect size methodology does not yet exist within single-case research, panel experts recently recommended pairing regression and non-parametric approaches when analyzing effect size data. This study compared two single-case effect size methods: the regression-based, Allison-MT method and the newer, non-parametric, Tau-U method. Using previously published research that measured the Words read Correct per Minute (WCPM) variable, these two methods were examined by comparing differences in overall effect size scores and rankings of intervention effect. Results indicated that the regression method produced significantly larger effect sizes than the non-parametric method, but the rankings of the effect size scores had a strong, positive relation. Implications of these findings for research and practice are discussed.     

When Fluency Signals Truth: Prior Successful Reliance on Fluency Moderates the Impact of Fluency on Truth Judgments

Repeated statements are more frequently judged to be true. One position relates this so‐called “truth effect” to metacognitive experiences of fluency, suggesting that repeated statements are more frequently judged to be true because they are processed more fluently. Although most prior research focused on why repetition influences truth judgments, considerably less is known about when fluency is used as information. The present research addresses this question and investigates whether reliance on fluency is moderated by learning experiences. Specifically, we focus on changes in the reliance on fluency over the course of time. A series of experiments reveals that fluency is more likely to be used in truth judgments when previous reliance on fluency has resulted in valid judgments, compared with when previous reliance on fluency was misleading. These findings suggest that reliance on fluency in judgments is a finely tuned process that takes prior experiences with fluency‐based judgments into account. Copyright © 2013 John Wiley & Sons, Ltd.     

Using Small-Group Instruction to Improve Students' Reading Fluency: An Evaluation of the Existing Research

Reading fluency is necessary for reading comprehension, but approximately 40% of U.S. fourth-grade students have inadequate reading fluency skills. Because small-group (SG) instruction is often used as a first line of intervention for struggling readers, SG instruction targeting deficiencies in text reading fluency ought to be part of every school's intervention toolbox. The authors summarize the existing research on instruction and interventions that specifically targets reading fluency and is implemented by an adult with 3 or more students at once. Key findings revealed that most studies used a single-case design, nearly all studies were rated positively in terms of methodological quality, and the majority of participants significantly improved as a result of receiving SG intervention. Furthermore, of the five studies examining comparable SG and 1-on-1 interventions, 79% of the students performed equally well from both interventions. Implications and several recommendations for future research are discussed.     

Psychometric Properties of a Chinese Version of the Moral Attentiveness Scale

This study focuses on the reliability and validation of the Chinese version of the Moral Attentiveness Scale. Factor analysis confirmed that the scale includes two factors: perceptual moral attentiveness and reflective moral attentiveness. Moral attentiveness is negatively correlated with normlessness and positively associated with internalization and symbolization, moral identity, and other academic dishonesty behaviors. Reflective moral attentiveness moderated the relationship between formalism and unethical decision making. All results showed that the Chinese version of the Moral Attentiveness Scale has satisfactory psychometric properties and is a valid and reliable measurement of moral attentiveness in the Chinese population.     

Increasing the salience of fluency cues does not reduce the recognition memory impairment in Alzheimer's disease!

In Alzheimer's disease (AD), it is now well established that recollection is impaired from the beginning of the disease, whereas findings are less clear concerning familiarity. One of the most important mechanisms underlying familiarity is the sense of familiarity driven by processing fluency. In this study, we attempted to attenuate recognition memory deficits in AD by maximizing the salience of fluency cues in two conditions of a recognition memory task. In one condition, targets and foils have been created from the same pool of letters (Overlap condition). In a second condition, targets and foils have been derived from two separate pools of letters (No‐Overlap condition), promoting the use of letter‐driven visual and phonetic fluency. Targets and foils were low‐frequency words. The memory tasks were performed by 15 patients with AD and 16 healthy controls. Both groups improved their memory performance in the No‐Overlap condition compared to the Overlap condition. Patients with AD were able to use fluency cues during recognition memory as older adults did, but this did not allow to compensate for dysfunction of recognition memory processes.     

Perceptual experience shapes our ability to categorize faces by national origin: A new other-race effect

People are better at recognizing own-race than other-race faces. This other-race effect has been argued to be the result of perceptual expertise, whereby face-specific perceptual mechanisms are tuned through experience. We designed new tasks to determine whether other-race effects extend to categorizing faces by national origin. We began by selecting sets of face stimuli for these tasks that are typical in appearance for each of six nations (three Caucasian, three Asian) according to people from those nations (Study 1). Caucasian and Asian participants then categorized these faces by national origin (Study 2). Own-race faces were categorized more accurately than other-race faces. In contrast, Asian American participants, with more extensive other-race experience than the first Asian group, categorized other-race faces better than own-race faces, demonstrating a reversal of the other-race effect. Therefore, other-race effects extend to the ability to categorize faces by national origin, but only if participants have greater perceptual experience with own-race, than other-race faces. Study 3 ruled out non-perceptual accounts by showing that Caucasian and Asian faces were sorted more accurately by own-race than other-race participants, even in a sorting task without any explicit labelling required. Together, our results demonstrate a new other-race effect in sensitivity to national origin of faces that is linked to perceptual expertise.     

The future is now: the impact of present fluency in judgments about the future

Recent research has emphasised the role of episodic memory in both remembering past events and in envisaging future events. On the other hand, it has been repeatedly shown that judgments about past events are affected by the fluency with which retrieval cues are processed. In this paper we investigate whether perceptual fluency also plays a role in judgments about future events. For this purpose we conducted four experiments. The first experiment replicated recent findings showing that stimuli that are processed fluently tend to be wrongly recognised as having been encountered in the past outside the laboratory walls [Brown, A. S., & Marsh, E. J. (2009). Creating illusions of past encounter through brief exposure. Psychological Science, 20, 534–538. doi:10.1111/j.1467-9280.2009.02337.x]. Two follow-up experiments using Brown and Marsh’s [(2009). Creating illusions of past encounter through brief exposure. Psychological Science, 20, 534–538. doi:10.1111/j.1467-9280.2009.02337] task tested the influence of perceptual fluency on future judgments. The fourth and last experiment was designed to rule out a potential confounding factor in the two previous experiments. Across experiments, we found that people rely on fluency when making judgments about events that are yet to come. These results suggest that fluency is an equally valid cue for past and future judgments.     

小学一年级阅读流畅性对二、三年级阅读理解的预测

采用追踪研究考察了124名小学一年级儿童的阅读流畅性对其二、三年级阅读理解的影响。结果发现,在控制了性别、家庭社会经济地位、推理能力、汉字识别、口语词汇及多种阅读相关认知技能之后,儿童一年级时的字词流畅性可以预期其二、三年级时的阅读理解水平,句子流畅性对二年级时阅读理解的变异有独特解释作用,但对三年级时阅读理解的变异没有显著的解释作用。相对于句子流畅性,字词流畅性在小学低年级阶段对阅读理解的贡献更大。     

广告诉求-品牌来源国刻板印象匹配度对品牌态度的影响机制

基于刻板印象内容模型,作者将广告诉求分为诚意诉求和能力诉求,并研究了广告诉求和品牌来源国刻板印象对品牌态度的交互影响。通过两个实验,作者发现广告诉求和来源国刻板印象之间的匹配程度正向地影响消费者处理广告信息的流畅性,进而导致积极的情绪体验。消费者将这种积极情绪错误地归因到品牌上,从而产生积极的品牌态度。这一发现证实品牌来源国信息可以在消费者无意识的状态下通过情绪体验影响不同广告诉求的说服效果。