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41.
In a series of experiments, participants reached to targets in the presence of visual distracters that were either adjacent to the target or located along the reach path. The reaching movements were affected by the presence of the distracters, with the movement paths deviating toward the distracters. Those deviations were observed under two different conditions: (a) one in which the distracter could potentially have been a movement target; and (b) another in which the distracter never was a possible target. Because the movement was affected by the distracter in both situations, the results suggested that response competition is not necessary for distracter-induced reach-path deviations. Instead, the authors propose that attention to a distracter is sufficient to affect the to-target movement. The movement deviations may reveal an effective mechanism for coping with stimulus-rich environments. 相似文献
42.
Gulley V Northup J Hupp S Spera S LeVelle J Ridgway A 《Journal of applied behavior analysis》2003,36(3):375-378
We used a sequential approach to evaluate the relative and combined effects of different types of behavioral treatments, as well as dosage of methylphenidate (MPH), on the disruptive behavior of 3 students who had been diagnosed with attention deficit hyperactivity disorder. Results showed that individualized behavioral treatments produced decreases in disruptive behavior equivalent to MPH for all 3 participants and demonstrated the need to evaluate behavioral treatments and medication dosage on an individual basis. 相似文献
43.
Participant-witnesses viewed a crime video and attempted to identify the culprit from a culprit-absent lineup. The 253 mistaken-identification eyewitnesses were randomly given confirming, disconfirming, or no feedback regarding their identifications. Feedback was immediate or delayed 48 hr, and measures were immediate or delayed 48 hr. Confirming, but not disconfirming, feedback led to distortions of eyewitnesses' recalled confidence, amount of attention paid during witnessing, goodness of view, ability to make out facial details, length of time to identification, and other measures related to the witnessing experience. Unexpectedly, neither delaying the measures nor delaying feedback for 48 hr moderated these effects. The results underscore the need for double-blind lineups and neutral assessments of eyewitnesses' certainty and other judgments prior to feedback. 相似文献
44.
Steve Sussman Thomas R. Simon Alan W. Stacy Clyde W. Dent Anamara Ritt Michele D. Kipke Susanne B. Montgomery Dee Burton Brian R. Flay 《Journal of applied social psychology》1999,29(8):1555-1581
This study provides a cross-sectional analysis of the relations between group self-identification and adolescent drug use in 3 samples of youth: comprehensive high-school, continuation high-school, and runaway/street youth. Youth identified with discrete groups in all 3 samples, and similar general groups were formed. In most comparisons, a high-risk group showed greater levels of drug use than did other groups. This is the first study to demonstrate that group self-identification (a) is a generalizable construct across different types of adolescent samples, (b) is related to use of drugs other than tobacco, and (c) remains a significant correlate of drug use controlling for its relations with demographic variables and several other psychosocial variables. 相似文献
45.
A Systematic Review: Non‐Suicidal Self‐injury in Australia and New Zealand's Indigenous Populations 下载免费PDF全文
Objective
To undertake a systematic review of non‐suicidal self‐injury (NSSI) prevalence, patterns, functions, and behavioural correlates for the Indigenous populations of Australia (Aboriginal and Torres Strait Islanders) and New Zealand (NZ; Maori).Method
We searched the following electronic databases: PubMed, MedLine, Scopus, Web of Science, ScienceDirect, PsycInfo, and PsycArticles, CINAHL, and the Informit Health and Indigenous Peoples collections. Studies were included for review if they were published within the last 25 years and reported on NSSI in Australia and NZ's Indigenous populations.Results
Seven studies were included, six of which came from Australia. The prevalence of NSSI in Australia ranged from 0.9% up to 22.50%; statistics varied by the different samples, types of prevalence, and relationship to alcohol. Several studies found that Aboriginal and Torres Strait Islander peoples had higher rates of NSSI than other Australians, but that this was not significantly higher. Two studies indicated that NSSI was linked to alcohol use, incarceration, and a younger age. The one NZ study was of injury and not specifically NSSI.Conclusions
Findings are limited due to a small pool of literature. Cultural variations in NSSI presentation should be considered when working with Indigenous populations. Further research is required to help determine what cultural variations may exist. 相似文献46.
Steve S. Lee 《Journal of psychopathology and behavioral assessment》2018,40(1):86-92
The seven articles featured in this Special Section on “Child Psychopathic Traits for Specifying Conduct Disorder” collectively prosecute an important tension in the field: despite evidence that psychopathic traits in children, adolescent, and adults are multidimensional, callous-unemotional (CU) traits have evolved to nearly eclipse the construct of youth psychopathic traits. That is, does inclusion of grandiosity and impulsivity, and related psychopathic constructs improve predictive models? Employing a rich array of methods, these studies converged to suggest that using the entire constellation of psychopathic traits significantly improved predictions of key criteria. Crucially, predictions were consistent across development, multiple external criteria, and diversely recruited samples (e.g., community, incarcerated). From a developmental psychopathology framework (Cicchetti 2008), I synthesize the theoretical and empirical implications of these studies and offer perspectives on future directions. In particular, there is an urgent need to elucidate mechanisms from psychopathic traits to important clinical, public health, and functional outcomes; identification of potential causal processes is necessary to establish the validity of psychopathic traits and to ultimately innovate intervention and prevention efforts. 相似文献
47.
Shirag K. Shemmassian Steve S. Lee 《Journal of psychopathology and behavioral assessment》2012,34(1):1-10
Although parents and teachers are valid informants in the assessment of childhood attention-deficit/hyperactivity disorder
(ADHD), there is relatively little systematic research on how these ratings should be optimally combined. We compared four
methods of ADHD assessment to determine how well they identified impaired children: (1) parent only, (2) teacher only, (3)
parent or teacher (‘or rule’), and (4) parent and teacher (‘and rule’). We obtained parent and teacher ratings of ADHD from
the Disruptive Behavior Disorder Rating Scale on 232 5- to 10-year-old children (69% male; 47% Caucasian) with (n = 121) and without (n = 111) ADHD. We used receiver operating characteristic curves (ROC) and seemingly unrelated regression analyses (SUR) to
evaluate how accurately each method identified categorically- and dimensionally-defined measures of functional impairment.
Parent ratings of ADHD optimally identified globally impaired children based on categorical and dimensional measures. However,
teacher ratings of ADHD most accurately identified children who were negatively regarded by peers using categorical, but not
dimensional, measures. No ADHD assessment method effectively identified children with academic difficulties. Although multiple
informants are valuable in the assessment of ADHD, no single method was consistently superior in identifying impaired children
across domains. We consider alternative assessment strategies in ADHD as well as other potential factors that may contribute
to modest agreement among informants. 相似文献
48.
Avital E. Falk Steve S. Lee 《Journal of psychopathology and behavioral assessment》2012,34(2):172-181
There is evidence that negative parenting positively predicts oppositional defiant disorder (ODD) and conduct disorder (CD)
and that children’s callous-unemotional (CU) traits may moderate this association. However, it is largely unknown if CU traits
show similar interactive effects with positive parenting for ODD/CD. 208 ethnically diverse (56% Caucasian) 6–9 year-old children
with and without attention-deficit/hyperactivity disorder (ADHD) were ascertained using multiple methods and informants for
ODD, CD, and CU traits. CU traits, corporal punishment, positive parenting, and each of their interactions with CU traits
were unrelated to parent- and teacher-rated ODD. Corporal punishment and CU traits were similarly unrelated to parent- and
teacher-rated CD. However, positive parenting inversely predicted parent-reported CD symptoms and it was significantly moderated
by CU traits. Positive parenting was negatively associated with CD at low to moderate levels of CU traits, but it was unrelated
to CD at high levels of CU traits. Children with elevated levels of CU traits exhibited significantly higher levels of CD
symptoms that were largely independent of positive parenting behavior. We discuss these findings within a developmental psychopathology
framework to provide further perspectives on reciprocal influences between parenting behavior and CU traits in the development
of ODD and CD. 相似文献
49.
Slower and more variable reaction times to computerized tasks have been documented in children diagnosed with attention deficit/hyperactivity disorder (ADHD). Recent research supports a role for attentional lapses in generating abnormally variable and slow responses. However, given the association between ADHD and impairments in motor control, we hypothesized that slower or more variable reaction times might also correlate with motor development. The aim of this case-control study was to explore the relationship between motor function, reaction speed and variability, and ADHD. After comprehensive educational and clinical assessments, motor skill development was evaluated in 35 children ages 9 to 14 (19 with ADHD) using the Physical and Neurological Examination for Subtle Signs (PANESS) test battery. Finger-sequencing speed and variability were quantified with goniometers. Reaction times were measured with 20 trials each of computerized simple and choice (binary) tasks. Compared to healthy controls, children with ADHD had slower and more variable reaction times, and these findings correlated with impaired motor development (PANESS) and slow and variable finger sequencing (goniometers). Further studies of motor development in ADHD may identify factors influencing speed and variability of reaction times. 相似文献
50.
The Mindful Attention Awareness Scale (MAAS) has the longest empirical track record as a valid measure of trait mindfulness. Most of what is understood about trait mindfulness comes from administering the MAAS to relatively homogenous samples of Caucasian adults. This study rigorously evaluates the psychometric properties of the MAAS among Chinese adolescents attending high school in Chengdu, China. Classrooms from 24 schools were randomly selected to participate in the study. Three waves of longitudinal data (N = 5,287 students) were analyzed. MAAS construct, nomological, and incremental validity were evaluated as well as its measurement invariance across gender using latent factor analyses. Participants' mean age was 16.2 years (SD = 0.7), and 51% were male. The 15-item MAAS had adequate fit to the one-dimensional factor structure at Wave 1, and this factor structure was replicated at Wave 2. A 6-item short scale of the MAAS fit well to the data at Wave 3. The MAAS maintained reliability (Cronbach's α = .89-.93; test-restest r = .35-.52), convergent/discriminant validity, and explained additional variance in mental health measures beyond other psychosocial constructs. Both the 15- and 6-item MAAS scales displayed at least partial factorial invariance across gender. The findings suggest that the MAAS is a sound measure of trait mindfulness among Chinese adolescents. To reduce respondent burden, the MAAS 6-item short-scale provides an option to measure trait mindfulness. 相似文献