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171.
Lena?EkEmail author Anja?Smits Anneli?P?hlson Ove?Almkvist 《Journal of clinical psychology in medical settings》2005,12(2):165-173
All living adults with histopatologically proven diagnosis of low-grade glioma in a Swedish county were identified with help of the Regional Cancer Register, half of them (n = 24) participated in a neuropsychological evaluation. A considerable variation was found in cognitive function within this group of patients, ranging from good ability to severe disturbance. Different patterns of cognitive dysfunction emerged resulting in three subgroups; patients with severe, mild, and minimal selective dysfunction. The patients with severe disturbance had a global dysfunction covering most assessed cognitive domains. Slow information-processing speed was obvious in the subgroups with both severe and mild dysfunction. Cognitive problems present in the best performing group seemed related to tumor localization. Cognitive function in the whole sample was related to histopathological diagnosis of the tumor, as well as to educational level of the patients. The nonworking patients had significantly poorer performance than the working patients. 相似文献
172.
The central bottleneck model of dual-task performance (H. Pashler and J. C. Johnston, 1998, Quarterly Journal of Experimental Psychology, 46A, 51-82) and the serial processing model of precue utilization (R. Gottsdanker, 1992, Acta Psychologica, 79, 21-43) are based on a common formal structure: They both represent response time as RT(tau)=max(X-tau, Y)+Z, where X, Y, Z denote the duration of certain processing stages specified by the models and tau denotes the onset asynchrony (SOA) between two stimuli. We consider this model within a stochastic framework in which the stage durations are random variables following an arbitrary joint distribution and derive properties of the function relating E[RT(tau)] to SOA. We present a distribution-free result which relates the slope of this function to the distribution of the random durations of the assumed processing stages. Our results allow for a direct, model-based interpretation of data from related experiments; specifically, they show how the slope of the SOA-function depends on experimental factors which selectively influence individual processing stages. We explain the implications of our results for models of dual-task performance and precue utilization and illustrate their application to data obtained by M. C. Smith (1969, Acta Psychologica, 30, 220-231) and R. Gottsdanker (1992, loc. cit.) Copyright 2001 Academic Press. 相似文献
173.
Ischebeck A 《Memory & cognition》2003,31(4):529-537
Numbers can be represented as number words or as digits, but are the two notations processed differently? Two experiments in which a flanker paradigm with a naming task was used were conducted, with digits and number words as targets and flankers. Reaction times were shortest when the flanker denoted the same numerical value as the target. The numerical distance between the target and a numerically different flanker modulated reaction times in all conditions, except for number word targets with digit flankers. The direction of this effect—targets were named faster when the flanker was numerically close than when it was far—indicates that the numerical magnitude representations of numbers are associatively connected. When the target and the flanker were presented in the same format, no difference was observed in the distance effects for the two formats. This indicates that number words activate the abstract representation of their numerical value in a way that is very similar to that for digits. 相似文献
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176.
Christina Hunger Rebecca Hilzinger Laura Klewinghaus Laura Deusser Anja Sander Johannes Mander Hinrich Bents Beate Ditzen Jochen Schweitzer 《Family process》2020,59(4):1389-1406
This randomized controlled trial (RCT) aimed to pilot the newly developed manualized and monitored systemic therapy (ST) for social anxiety disorder (SAD), as compared to manualized and monitored cognitive behavioral therapy (CBT). We conducted a prospective multicenter, assessor-blind pilot RCT on 38 outpatients (ICD F40.1; Structured Clinical Interview for DSM (SCID); Liebowitz Social Anxiety Scale, LSAS-SR >30). The primary outcome was level of social anxiety (LSAS-SR) at the end of treatment. A total of 252 persons were screened, and 38 patients were randomized and started therapy (CBT: 20 patients; ST: 18 patients; age: M = 36 years, SD = 14). Within-group, simple-effect intent-to-treat analyses (ITT) showed significant reduction in LSAS-SR (CBT:d = 1.04; ST:d = 1.67), while ITT mixed-design ANOVA demonstrated the advantage of ST (d = 0.81). Per-protocol analyses supported these results. Remission based on reliable change indices also demonstrated significant difference (LSAS-SR: 15% in CBT; 39% in ST;h: 0.550), supported by blind diagnosticians’ ratings of those who completed therapy (SCID; 45% in CBT, 78% in ST,p = .083). No adverse events were reported. CBT and ST both reduced social anxiety, supporting patient improvement with the newly developed ST for SAD; this has yet to be verified in a subsequent confirmatory RCT. 相似文献
177.
Anja Schultze-Krumbholz Angela Ittel Herbert Scheithauer 《International journal of psychology》2020,55(5):769-778
Little is known about the associations between cultural class composition, teacher support for diversity (TSD), cognitive and affective empathy, and bullying and victimisation. Research shows that empathy is negatively associated with bullying and victimisation; and support for diversity and classroom cultural diversity are positively linked to social skills. The present study examines whether cultural diversity and perceived TSD are protective factors against bullying and victimisation, either directly or mediated by empathy. Participants were 897 students from Grades 7 to 10 (Mage = 13.45, SDage = 1.07, 51.3% girls, 46.7% boys) in 36 classes. Multilevel mediation analyses were conducted. Age and gender were controlled for. More perceived TSD and affective empathy were associated with less bullying. Moreover, the effect of perceived TSD on bullying was partly indirect through affective empathy. Victimisation was not predicted by the study variables. The class level showed no effects. Bullying and victimisation are complex phenomena, which seem to be linked more to individual than to class characteristics. The result that higher perceived TSD was linked to empathy and bullying provides a promising starting point for measures of competence enhancement and bullying prevention. 相似文献
178.
Object permanence, the ability to mentally represent objects that have disappeared from view, should be advantageous to animals
in their interaction with the natural world. The objective of this study was to examine whether lemurs possess object permanence.
Thirteen adult subjects representing four species of diurnal lemur (Eulemur fulvus rufus, Eulemur mongoz, Lemur catta and Hapalemur griseus) were presented with seven standard Piagetian visible and invisible object displacement tests, plus one single visible test
where the subject had to wait predetermined times before allowed to search, and two invisible tests where each hiding place
was made visually unique. In all visible tests lemurs were able to find an object that had been in clear view before being
hidden. However, when lemurs were not allowed to search for up to 25-s, performance declined with increasing time-delay. Subjects
did not outperform chance on any invisible displacements regardless of whether hiding places were visually uniform or unique,
therefore the upper limit of object permanence observed was Stage 5b. Lemur species in this study eat stationary foods and
are not subject to stalking predators, thus Stage 5 object permanence is probably sufficient to solve most problems encountered
in the wild. 相似文献
179.
Olaf Lahl Anja S. Göritz Reinhard Pietrowsky Jessica Rosenberg 《Behavior research methods》2009,41(1):13-19
This article presents a new database of 2,654 German nouns rated by a sample of 3,907 subjects on three psycholinguistic attributes:
concreteness, valence, and arousal. As a new means of data collection in the field of psycholinguistic research, all ratings
were obtained via the Internet, using a tailored Web application. Analysis of the obtained word norms showed good agreement
with two existing norm sets. A cluster analysis revealed a plausible set of four classes of nouns: abstract concepts, aversive
events, pleasant activities, and physical objects. In an additional application example, we demonstrate the usefulness of
the database for creating parallel word lists whose elements match as closely as possible. The complete database is available
for free from ftp://ftp.uni-duesseldorf.de/ pub/psycho/lahl/WWN. Moreover, the Web application used for data collection is
inherently capable of collecting word norms in any language and is going to be released for public use as well. 相似文献
180.
Anja S. G?ritz 《Behavior research methods》2009,41(4):1177-1182
Online data collection within social and behavioral research is burgeoning. For surveying individuals online, researchers
are increasingly relying on online panels and similar subject pools. phpPanelAdmin is a Web-based platform that is intended
to assist researchers in quickly setting up and managing an online panel. phpPanelAdmin solves many problems that can arise
when one is collecting data in online panels. As an open-source program placed under GNU General Public License, phpPanelAdmin
(www.goeritz.net/panelware) is not only free of charge but free of restrictions on its use, modification, and distribution.
Building a new online panel—which before required weeks and special skills—is now possible within minutes and at no cost.
Furthermore, phpPanelAdmin can be connected to an existing online panel or even be used for managing offline subject pools.
Functions include creating a panel sign-up form; automatically unfolding the panel database; searching for panelists; viewing,
modifying, and deleting panelists’ data; deleting and cloning variables; drawing samples; sending e-mail to panelists; exporting
data; displaying panel statistics at a glance; identifying duplicates; creating and managing e-mail templates; executing user-defined
SQL statements; and obtaining help. 相似文献