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41.
Stephen A. Marshall Steven W. Evans Ricardo B. Eiraldi Stephen P. Becker Thomas J. Power 《Journal of abnormal child psychology》2014,42(1):77-90
Sluggish cognitive tempo (SCT) was originally identified as a construct that characterized the inattention problems of some children with attention deficit disorder (ADD). Research has indicated that using SCT symptoms to identify a subset of youth with attention-deficit/hyperactivity disorder, predominately inattentive type (ADHD-IT) may elucidate distinct patterns of impairment and thereby improve the external validity of ADHD subtypes. The objective of the current study was to investigate whether youth with clinically-assessed ADHD-IT and high levels of SCT exhibit unique social and academic impairments. In a clinic-referred sample of youth (N?=?209; 23 % female) aged 6 to 17 years, participants who met criteria for three different groups were identified: ADHD, Combined Type (ADHD-CT; n?=?80), ADHD-IT with low SCT symptoms (n?=?74), and ADHD-IT with high SCT symptoms (n?=?55). These groups were compared on indicators of social and academic functioning while considering the effects of co-occurring internalizing and disruptive behavior disorders. Youth with ADHD-IT high in SCT exhibited uniquely elevated withdrawal, as well as low leadership and low peer-directed relational and overt aggression, which were not accounted for by co-occurring disorders. This high-SCT group was also the only group to have more homework problems than the ADHD-CT group, but only when other disruptive behavior disorders were absent. The distinctiveness of the high-SCT group, which was primarily evident in social as opposed to academic functioning, provides partial support for the external validity and clinical utility of SCT. 相似文献
42.
Purpose
The purpose of these two studies was to explore the relationship between video monitoring and quantity of performance in the absence of demand characteristics.Design/methodology/approach
Data were gathered via two experiments involving business students working on a motor task. Participants were randomly assigned to the monitored and unmonitored conditions. Experiment 1 (n = 75) was inductive while Experiment 2 (n = 139) was partially inductive.Findings
Experiment 1 showed that monitored participants’ performance was lower than that of unmonitored participants. Further, monitoring reduced outliers, increased interquartile variance, and normalized the distribution. Experiment 2 replicated the effect of monitoring on performance controlling for cognitive ability and emotions, demonstrated that negative emotions interacted with monitoring condition, and suggested that differences in performance were not due to cheating or variation in task-related strategies. We offer a grounded theory of video monitoring proposing that different implicit decision rules are activated when people are monitored as compared to when they are not monitored.Implications
Future research needs to determine the extent to which our results extend to similar settings in the workplace and to other forms of observation. At this time, we believe organizations should carefully consider the consequences of electronic monitoring. Controlling expectations in the lab or workplace does not necessarily eliminate the independent effect of monitoring. Therefore, researchers must beware misinterpretation of effect sizes and overlooking the role of observation in their data.Originality/value
These studies demonstrate that video monitoring can create observer effects in the absence of demand characteristics. Our inductive approach revealed the nature of the effects beyond mean differences and served as the basis for developing a testable theory of monitoring that goes beyond what was previously known. 相似文献43.
Recent evidence suggests division of labor in phonological analysis underlying speech recognition. Adults and children appear to decompose the speech stream into phoneme‐relevant information and into syllable stress. Here we investigate whether both speech processing streams develop from a common path in infancy, or whether there are two separate streams from early on. We presented stressed and unstressed syllables (spoken primes) followed by initially stressed early learned disyllabic German words (spoken targets). Stress overlap and phoneme overlap between the primes and the initial syllable of the targets varied orthogonally. We tested infants 3, 6 and 9 months after birth. Event‐related potentials (ERPs) revealed stress priming without phoneme priming in the 3‐month‐olds; phoneme priming without stress priming in the 6‐month‐olds; and phoneme priming, stress priming as well as an interaction of both in 9‐month‐olds. In general the present findings reveal that infants start with separate processing streams related to syllable stress and to phoneme‐relevant information; and that they need to learn to merge both aspects of speech processing. In particular the present results suggest (i) that phoneme‐free prosodic processing dominates in early infancy; (ii) that prosody‐free phoneme processing dominates in middle infancy; and (iii) that both types of processing are operating in parallel and can be merged in late infancy. 相似文献
44.
Joyce Maas Ger P.J. Keijsers Mike Rinck Eni S. Becker 《Journal of Cognitive Psychology》2018,30(7):743-753
The present study examined approach-avoidance, attentional and evaluation biases in Hair Pulling Disorder (HPD). Although none of the tasks showed indications of biased action tendencies in response to hair pulling-related pictures, or biased attention for hair pulling-related words, we found that patients were slower to react to hair pulling-related stimuli than to neutral stimuli. This slowing down may indicate that patients are ambivalent towards hair pulling. This “ambivalence” positively correlated with HPD symptom severity, but only on one of the three severity measures we assessed. Concerning action tendencies towards hair pulling-related words, patients were, however, faster to react to hair pulling-related words when compared to words related to resisting hair pulling. Future research is needed to disentangle this ambivalent response pattern in HPD. 相似文献
45.
Stephanie H. de Oliveira Laux Inna Ksenofontov Julia C. Becker 《European journal of social psychology》2015,45(6):702-715
Much work has been carried out on sexist attitudes, but only little on sexist behaviors. The goal of the present research was to close this gap by testing how a variety of benevolent and hostile sexist behaviors correlate with implicit and explicit sexist attitudes. In Study 1 (N = 126), we developed implicit association tests for benevolent sexism and hostile sexism and illustrated that implicit and explicit benevolent sexist beliefs, as well as implicit and explicit hostile sexist beliefs, were positively correlated. In Study 2 (N = 83 of Study 1), we tested whether implicit and explicit benevolent and hostile sexist attitudes correlate with benevolent and hostile sexist behaviors. As expected, explicit benevolent (but not hostile) sexist attitudes predicted benevolent sexist behavior, whereas explicit hostile (but not benevolent) sexist attitudes predicted hostile sexist behavior. Implicit sexist attitudes did not predict sexist behavior. The implications of these findings are discussed. 相似文献
46.
Torsional eye movements are triggered by head tilt and a rotating visual field. We examined whether attention to a misoriented
form could also induce torsion. Thirty-six observers viewed an adapting field containing a bright vertical Une, and then they
viewed a display that was composed of two misoriented words (one rotated clockwise, the other counterclockwise, by 15°, 30°,
or 45°). The subjects were instructed to attend to one of the words. The subjects’ adjustments of a reference line to match
the tilt of the afterimage showed that attention to a misoriented word produces torsional eye movement (verified with direct
measurements on 4 additional subjects). This eye movement reduces the retinal misorientation of the word by about 1°. The
results of this study reinforce the linkage between selective attention and eye movements and may provide a useful tool for
dissecting different forms of “mental rotation” and other adjustments in internal reference frames. Apparent-motion displays
confirming that the eye rotated in the head may be downloaded from www.psychonomic.org/archive. 相似文献
47.
The Implicit Association Test (IAT) was used to investigate automatic fear associations in fear of spiders. Fear associations toward spiders were measured among spider fearful and nonfearful participants (Experiment 1) as well as among nonfearfuls and spider enthusiasts (Experiment 2). It was shown that the IAT is sensitive to personal automatic fear associations and therefore distinguishes between high-fearful, nonfearful, and enthusiastic participants. Moreover, implicit spider associations measured by the IAT predicted avoidance behavior beyond self-reports. The results of Experiment 2 provide additional support for the argument that implicit spider associations are different from general stereotypes or knowledge about spiders. 相似文献
48.
Visual working memory and threat monitoring: Spider fearfuls show disorder-specific change detection
Previous studies of biased information processing in anxiety addressed biases of attention and memory, but little is known about the processes taking place between them: visual working memory (VWM) and monitoring of threat. We investigated these processes with a change detection paradigm. In Experiment 1, spider fearfuls (SF) and non-anxious controls (NAC) judged two subsequently presented displays as same or different. The displays consisted of several pictures, one of which could depict a spider. In Experiment 2, SF and NAC, both without snake fear, were tested with displays including either a spider or a snake image to determine the material-specificity of biased VWM. Both groups showed increased change detection for threat images. This effect was significantly stronger in SF, for spider images only, indicating a threat-specific VWM bias. Thus, contrary to the assumptions made by most cognitive models of anxiety, an explicit memory bias was found. 相似文献
49.
In high-stakes testing, often multiple test forms are used and a common time limit is enforced. Test fairness requires that ability estimates must not depend on the administration of a specific test form. Such a requirement may be violated if speededness differs between test forms. The impact of not taking speed sensitivity into account on the comparability of test forms regarding speededness and ability estimation was investigated. The lognormal measurement model for response times by van der Linden was compared with its extension by Klein Entink, van der Linden, and Fox, which includes a speed sensitivity parameter. An empirical data example was used to show that the extended model can fit the data better than the model without speed sensitivity parameters. A simulation was conducted, which showed that test forms with different average speed sensitivity yielded substantial different ability estimates for slow test takers, especially for test takers with high ability. Therefore, the use of the extended lognormal model for response times is recommended for the calibration of item pools in high-stakes testing situations. Limitations to the proposed approach and further research questions are discussed. 相似文献
50.
Robert E. Becker 《Science as culture》2013,22(3):317-334
Modern psychiatry emphasizes chemical, genetic, psychosocial, and similar theoretical biological sciences. While these sciences can explain mental disorders they fail to generate a full understanding of the patient as a person. I argue that psychiatry, to not stereotype persons, must integrate both the important advances in molecular and social sciences needed to diagnose and treat mental illnesses and provide an encounter with the person who is the patient. Standardized forms of diagnostic interviewing now dominate in the psychiatrist–patient relationship. Individualizing forms of inquiry, by contrast, elicit a personal understanding of the patient and her problems and the information necessary to diagnose and treat the patient's mental disorders. This understanding attitude towards individuals is essential so that psychiatrists avoid falling into over-simplified stereotyping explanations of the persons who are their patients. If psychiatry allows its diagnoses of disordered processes that occur within persons to function as labels for persons, then psychiatry appears scientifically to condone the uses of stereotypes. With an understanding attitude towards patients, psychiatry can better treat mental disorders, while also respecting human diversity. 相似文献