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121.
This study intends to fill the gap in empirical research carried out in Italy regarding international adoptees' behavioral and emotional problems. Assuming a multi-informant approach, it aims to compare parents' reports of behavioral problems of adopted and non-adopted children and to examine parental agreement. The sample was composed of 186 adoptive couples and 195 biological couples with the target child between ages 7 and 11 years. The mother and father filled in the Child Behavior Checklist (CBCL) separately. Analysis of the CBCL revealed that adopted children are perceived by their parents as having more Total and Externalizing Problems than are their non-adopted counterparts. Moreover, they are more likely to demonstrate attention difficulties and aggressive behavior. The agreement between parents turned out to be moderate for adoptive parents and slightly lower for the biological ones. Consistent with most adoption research, the results confirm the higher risk of behavioral problems among adopted children. They also shed light on the significant perceptual discrepancy between mothers and fathers, underlining the importance of considering both parents' reports in the study of adopted children's adjustment. 相似文献
122.
Personal initiative, understood as a proactive behaviour, self-initiated, persistent and pro-organization, is indispensable in contemporary organizations immersed in an environment of rapid and complex changes and innovations. In this work, one of the antecedents of personal initiative in the work setting is analyzed: the expectations or hopes of control and responsibility. We studied the adaptation to Spanish of the Scale of Expectations of Control and Responsibility of Frese and colleagues, using two cross-sectional samples (n=414 and 396, respectively). We performed exploratory and confirmatory factorial analyses that positively replicate the factor structure of the original scale. The relation of the expectations of control with personal initiative is confirmed, as suggested in the general model of antecedents and consequences of personal initiative. Likewise, the study confirms that control can be considered an antecedent of expectations of control and responsibility. 相似文献
123.
The goal of this study is to validate a Spanish version of the Physical Activity Enjoyment Scale (PACES, Kendzierski & DeCarlo, 1991), in the population of Spanish adolescent girls, and also to obtain a reduced version of the scale. For this purpose, reliability analysis was conducted, and construct validity was assessed in two steps: exploratory factor analysis and structural equation model with confirmatory factor analysis. The scale was administered to a sample of 2777 adolescent girls of Secondary Education, ages between 12-18 years. The results show the reliability of the instrument and the construct validity with a good fit of the model. The adapted scale was reduced to six items, a shorter and efficient scale that allows us to measure the enjoyment of physical activity. 相似文献
124.
Stephan de la Rosa Giampaolo Moraglia Bruce A Schneider 《Revue canadienne de psychologie expérimentale》2008,62(3):150-155
Nakayama and Silverman (1986) proposed that, when searching for a target defined by a conjunction of color and stereoscopic depth, observers partition 3D space into separate depth planes and then rapidly search each such plane in turn, thereby turning a conjunctive search into a "feature" search. In their study, they found, consistent with their hypothesis, shallow search slopes when searching depth planes separated by large binocular disparities. Here, the authors investigated whether the search slope depends upon the extent of the stereoscopically induced separation between the planes to be searched (i.e., upon the magnitude of the binocular disparity. The obtained slope shows that (1) a rapid search only occurs with disparities greater than 6 min of arc, a value that vastly exceeds the stereo threshold, and that (2) the steepness of this slope increases in a major way at lower disparities. The ability to implement the search mode envisaged by Nakayama and Silverman is thus clearly limited to large disparities; less efficient search strategies are mandated by lower disparity values, as under such conditions items from one depth plane may be more likely to "intrude" upon the other. (PsycINFO Database Record (c) 2008 APA, all rights reserved). 相似文献
125.
Matthew L. Dixon Justin Ruppel Jay Pratt Eve De Rosa 《Psychonomic bulletin & review》2009,16(2):418-423
We examined whether the selection mechanisms committed to the suppression of ignored stimuli can be modified by experience
to produce a sustained, rather than transient, change in behavior. Subjects repeatedly ignored the shape of stimuli, while
attending to their color. On subsequent attention to shape, there was a robust and sustained decrement in performance that
was selective to when shape was ignored across multiple-colortarget contexts, relative to a single-color-target context. Thus,
amount of time ignored was not sufficient to induce a sustained performance decrement. Moreover, in this group, individual
differences in initial color target selection were associated with the subsequent performance decrement when attending to
previously ignored stimuli. Accompanying this sustained decrement in performance was a transfer in the locus of suppression
from an exemplar (e.g., a circle) to a feature (i.e., shape) level of representation. These data suggest that learning can
influence attentional selection by sustained attentional suppression of ignored stimuli. 相似文献
126.
Glenn E. Meyer Alicia S. Baños Tiffany Gerondale Christine Kiriazes Claire M. Lakin Amanda C. Rinker 《Journal of applied social psychology》2009,39(4):945-972
Firearms appearance can have psychological import in legal proceedings by keying aggressive ideations, impacting sentencing and gender‐based attributions. We presented mock jurors with a homeowner's defensive gun use. Reasonable arguments were for shooting or not in the scenario by the defendant. The firearm varied in type. Assault rifle use led to harsher legal outcomes than did other firearms. A female defendant was at more risk than a male. In the last experiment, a police shooting scenario was tested. In that case, the male officer was at more risk than the female officer when wielding the assault rifle. Weapons and gender interactions were, for the most part, congruent with social cognitive theories of attribution and weapons priming of aggressive ideation. 相似文献
127.
128.
The P300 response is conventionally obtained by averaging the responses to the task-relevant (target) stimuli of the oddball paradigm. However, it is well known that cognitive ERP components show a high variability due to changes of cognitive state during an experimental session. With simple tasks such changes may not be demonstrable by the conventional method of averaging the sweeps chosen according to task-relevance. Therefore, the present work employed a response-based classification procedure to choose the trials containing the P300 component from the whole set of sweeps of an auditory oddball paradigm. For this purpose, the most significant response property reflecting the P300 wave was identified by using the wavelet transform (WT). The application of a 5 octave quadratic B-spline-WT on single sweeps yielded discrete coefficients in each octave with an appropriate time resolution for each frequency range. The main feature indicating a P300 response was the positivity of the 4th delta (0.5-4 Hz) coefficient (310-430 ms) after stimulus onset. The average of selected single sweeps from the whole set of data according to this criterion yielded more enhanced P300 waves compared with the average of the target responses, and the average of the remaining sweeps showed a significantly smaller positivity in the P300 latency range compared with the average of the non-target responses. The combination of sweeps classified according to the task-based and response-based criteria differed significantly. This suggests an influence of changes in cognitive state on the presence of the P300 wave which cannot be assessed by task performance alone. 相似文献
129.
Rosa M. Sánchez-Casas José E. García-Albea Dianne C. Bradley 《Psychological research》1991,53(1):53-61
Summary This paper examines the evidence for an access representation based on the initial part of the word. A temporal separation technique, which presents test words in two parts, was used, and varied as to whether the first part included two, three, or four initial letters of a word. In contrast with previous studies, word-frequency effects were used to assess whether access had occurred from that initial part. Experiment 1 (in English) tested the validity of the temporal separation technique, and showed that it does impose an input segmentation. Experiments 2 (in English) and 3 (in Spanish) examined whether access to a monomorphemic word is achieved, using word frequency as a diagnostic of access. The implications of the findings for the notion of a partial input representation for access are discussed. 相似文献
130.
Recent research on hyperlexic children is reviewed and criticized. A case study of a mute hyperlexic girl is presented, along with comments on the implications of this case for theories of hyperlexia. The hypothesis is put forth that hyperlexia in children suggests the existence of an innate written language capacity. The implications of this hypothesis for linguistic theory are discussed. 相似文献