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排序方式: 共有149条查询结果,搜索用时 31 毫秒
91.
92.
Whereas age effects commonly occur in tests of explicit memory, tests of implicit memory often show age invariance. In two experiments, the traditional confound between test type (implicit vs explicit) and retrieval process (conceptually driven vs perceptually driven) was removed by using conceptually driven and perceptually driven tests of both implicit and explicit memory. Experiment 1 revealed a significant age effect for conceptually driven retrieval and no age effect for perceptually driven retrieval, regardless of the type of memory being measured. Experiment 2 highlighted a difference between the two age groups in their ability to utilise semantic encoding in a nominally perceptually driven explicit memory test. The paper concludes that although perceptually driven processing is stable over age, particular care must be taken to minimise contamination from conceptually driven retrieval processes in such investigations. 相似文献
93.
Karishma Kiran Patel 《The American journal of family therapy》2013,41(3):279-282
Abstract Events of parental divorce: Stressfulness ratings by children, parents, and clinicians, by S. A. Wolchik, I. N. Sandler, S. L. Braver,&;B. S. Fogas, 1986, 14, 59-74 相似文献
94.
The purpose of this study was to compare force variability and the neural activation of the agonist muscle during constant isometric contractions at different force levels when the amplitude of respiration and visual feedback were varied. Twenty young adults (20–32 years, 10 men and 10 women) were instructed to accurately match a target force at 15% and 50% of their maximal voluntary contraction (MVC) with abduction of the index finger while controlling their respiration at different amplitudes (85%, 100% and 125% normal) in the presence and absence of visual feedback. Each trial lasted 22 s and visual feedback was removed from 8–12 and 16–20 s. Each subject performed three trials with each respiratory condition at each force level. Force variability was quantified as the standard deviation of the detrended force data. The neural activation of the first dorsal interosseus (FDI) was measured with bipolar surface electrodes placed distal to the innervation zone. Relative to normal respiration, force variability increased significantly only during high-amplitude respiration (∼63%). The increase in force variability from normal- to high-amplitude respiration was strongly associated with amplified force oscillations from 0 to 3 Hz (R2 ranged from .68 to .84, p < .001). Furthermore, the increase in force variability was exacerbated in the presence of visual feedback at 50% MVC (vision vs. no-vision: .97 vs. .87 N) and was strongly associated with amplified force oscillations from 0 to 1 Hz (R2 = .82) and weakly associated with greater power from 12 to 30 Hz (R2 = .24) in the EMG of the agonist muscle. Our findings demonstrate that high-amplitude respiration and visual feedback of force interact and amplify force variability in young adults during moderate levels of effort. 相似文献
95.
This study measured gluteus medius (GM) strength and endurance before and after a 2 h prolonged standing task in previously asymptomatic individuals, to compare between individuals who did and did not report pain in the low back. Twenty-four participants without a history of low back pain stood in a constrained area for 2 h. Before and after the standing protocol, participant’s maximal hip abduction strength (N) and side-bridge endurance (seconds and GM myoelectric fatigue) were measured. Continuous surface EMG was collected from GM during the 2-h protocol for analysis of bilateral co-activation. Pain in the low back was rated every 15 min with a visual analog scale (VAS). Seventeen of 24 (71%) previously asymptomatic participants developed pain in the low back during the standing protocol. These participants had lower side-bridge endurance (p = .002), and higher gluteus medius (GM) co-activation (p = .002) compared to participants who did not develop pain in the low back. Hip abduction strength decreased for both groups following prolonged standing, with no between groups’ difference. Lower side-bridge endurance and hip abduction strength were significantly associated with higher GM co-activation (adjusted r2 = .34), but not pain levels. Side-bridge endurance and GM co-activation, but not hip abduction strength, may have utility in identifying participants likely to develop pain in the low back during prolonged standing. The best training program for increasing GM endurance is unclear. 相似文献
96.
Amee B. Patel Carla Sharp Peter Fonagy 《Journal of psychopathology and behavioral assessment》2011,33(3):403-408
The criterion validity of the McLean Screening Instrument for Borderline Personality Disorder (MSI-BPD; Zanarini et al., Journal
of Personality Disorders 17:568–573, 2003) as a quick screening device for borderline personality disorder (BPD) was evaluated alongside the more established Personality
Diagnostic Questionnaire-4+ Borderline subscale (PDQ-BPD; Hyler 1994) using receiver operator characteristic (ROC) analysis. Both instruments demonstrated adequate criterion validity with the
diagnosis of BPD derived from a clinician-administered diagnostic interview. Optimal cutoffs for each measure were determined
using sensitivity, specificity, and positive and negative likelihood ratios. The previously established cutoff for the MSI-BPD
of seven (Zanarini et al., Journal of Personality Disorders 17:568–573, 2003) was confirmed. The current study provides the first support for the use of the MSI-BPD as a screening measure for use in
community-based studies of BPD. 相似文献
97.
Messersmith JG Patel PC Lepak DP Gould-Williams J 《The Journal of applied psychology》2011,96(6):1105-1118
With a growing body of literature linking systems of high-performance work practices to organizational performance outcomes, recent research has pushed for examinations of the underlying mechanisms that enable this connection. In this study, based on a large sample of Welsh public-sector employees, we explored the role of several individual-level attitudinal factors--job satisfaction, organizational commitment, and psychological empowerment--as well as organizational citizenship behaviors that have the potential to provide insights into how human resource systems influence the performance of organizational units. The results support a unit-level path model, such that department-level, high-performance work system utilization is associated with enhanced levels of job satisfaction, organizational commitment, and psychological empowerment. In turn, these attitudinal variables were found to be positively linked to enhanced organizational citizenship behaviors, which are further related to a second-order construct measuring departmental performance. 相似文献
98.
Little is known about the characteristics of meals that serve as motivating operations (MOs) for escape behavior. In the current investigation, we showed that the distance at which a therapist held a spoon from a child's lips served as an MO for escape behavior. Based on these results, we implemented spoon distance fading, compared fading with and without escape extinction (EE), and compared fading plus EE to EE alone. Initially, inappropriate mealtime behavior decreased during fading, but this effect was not maintained as fading progressed. Inappropriate mealtime behavior was lower initially when we combined fading and EE relative to EE alone, but acceptance increased more rapidly with EE than with fading plus EE. These results suggest that a number of mealtime characteristics might function as MOs for escape behavior and that analyses of MOs may be useful for developing treatments for food refusal. 相似文献
99.
In the wake of welfare reform, thousands of low-income single mothers have transitioned into the labor market. In this article, the authors examine how the work conditions of mothers leaving welfare for employment are associated with the emotional well-being of 372 children ages 5 to 15 years. The authors examine the cumulative incidence, over a 5-year period, of maternal non-family-friendly work conditions, including long work hours, erratic work schedules, nonday shifts, and lengthy commute times, in association with children's internalizing and externalizing behavior problems and levels of positive behavior. The authors found that mothers' lengthy commute times are associated with higher levels of internalizing problem behaviors and lower levels of positive behaviors. 相似文献
100.
Patel MR Piazza CC Layer SA Coleman R Swartzwelder DM 《Journal of applied behavior analysis》2005,38(1):89-100
This study examined packing (pocketing or holding accepted food in the mouth) in 3 children who were failing to thrive or had inadequate weight gain due to insufficient caloric intake. The results of an analysis of texture indicated that total grams consumed were higher when lower textured foods were presented than when higher textured foods were presented. The gram intake was related directly to levels of packing. That is, high levels of packing were associated with higher textured foods and low gram intake, and low levels of packing were associated with lower textured foods and high gram intake. All participants gained weight when texture of foods was decreased. Packing remained low during follow-up for 2 participants even when the texture of food was increased gradually over time. These data are discussed in relation to avoidance, response effort, and skill deficit. 相似文献