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81.
In three experiments, we investigated the role of automatic and controlled inhibitory retrieval processes in true and false memory development in children and adults. Experiment 1 incorporated a directed forgetting task to examine controlled retrieval inhibition. Experiments 2 and 3 used a part-set cue and retrieval practice task to examine automatic retrieval inhibition. In the first experiment, the forget cue had no effect on false recall for adults but reduced false recall for children. In Experiments 2 and 3, both tasks caused retrieval impairments for true and false recall, and this occurred for all age groups. Implicit inhibition, which occurs outside of our conscious control, appears early in childhood. However, because young children do not process false memories as automatically as adults, explicit inhibition can reduce false memory output. 相似文献
82.
Supplee LH Skuban EM Trentacosta CJ Shaw DS Stoltz E 《The Journal of genetic psychology》2011,172(2):95-120
Little longitudinal research has been conducted on changes in children's emotional self-regulation strategy (SRS) use after infancy, particularly for children at risk. In this study, the authors examined changes in boys' emotional SRS from toddlerhood through preschool. Repeated observational assessments using delay of gratification tasks at ages 2, 3, and 4 years were examined with both variable- and person-oriented analyses in a low-income sample of boys (N = 117) at risk for early problem behavior. Results were consistent with theory on emotional SRS development in young children. Children initially used more emotion-focused SRS (e.g., comfort seeking) and transitioned to greater use of planful SRS (e.g., distraction) by 4 years of age. Person-oriented analysis using trajectory analysis found similar patterns from 2 to 4 years, with small groups of boys showing delayed movement away from emotion-focused strategies or delay in the onset of regular use of distraction. The results provide a foundation for future researchers to examine the development of SRS in low-income young children. 相似文献
83.
Haddad JM Rietdyk S Ryu JH Seaman JM Silver TA Kalish JA Hughes CM 《Journal of motor behavior》2011,43(4):345-355
The authors examined postural asymmetries during quiet stance and while holding evenly or unevenly distributed loads. Right-hand dominant subjects preferentially loaded their right lower limb when holding no load or a load evenly distributed in both hands, but no differences in center of pressure (CoP) were observed between the left and right limbs. However, longer CoP displacement was observed under the preferentially loaded limb, which may reflect a functional asymmetry that allows quick movement of one limb in response to a potential perturbation. When a load was held only in the nondominant hand, sample entropy decreased in the left (loaded) limb but increased in the right (unloaded) limb, suggesting the unloaded foot compensated for a loss of control flexibility in the loaded foot. 相似文献
84.
The role of sensory awareness in movement control is receiving increasing interest in sports and clinical literature as a feed-forward and feedback mechanism. The aim of the study was to assess the feasibility and effect of training in sensory awareness on dexterity in healthy adults. 29 healthy students were randomly allocated to a single-group, sensory awareness lesson with the dominant hand, the same lesson with the nondominant hand, or to a sham control group. Dexterity measures included the Purdue Pegboard Test, a grip-lift manipulandum, and perceived changes using a questionnaire. The sensory awareness lesson with the dominant hand produced a statistically significant improvement in mean dexterity compared to the control group, but not between the other two pairs of groups. The sensory awareness training paradigm is feasible and a single session improved dexterity in healthy adults. 相似文献
85.
This study uses Bandura's Multidimensional Scales of Perceived Self-Efficacy (MSPSE; Bandura, 1990) and Harter's Self-Perception Profile for Adolescents (SPPA; Harter, 1988) to examine the extent to which self-efficacy and competency-related elements of the self-concept are independent constructs. Factor analysis of data provided by 778 high school students revealed that when measured using domain-general measures such as the MSPSE and SPPA, self-efficacy and competency self-concept do not represent totally separate, distinct constructs. Overlap of dimensions occurs at both the first- and second-order levels of analysis. The practical and theoretical implications of these findings are discussed. 相似文献
86.
87.
In two experiments, we examined the impact of the degree of match between sequential auditory perceptual organization processes
and the demands of a short-term memory task (memory for order vs. item information). When a spoken sequence of digits was
presented so as to promote its perceptual partitioning into two distinct streams by conveying it in alternating female (F)
and male (M) voices (FMFMFMFM)—thereby disturbing the perception of true temporal order—recall of item order was greatly impaired
(as compared to recall of item identity). Moreover, an order error type consistent with the formation of voice-based streams
was committed more quickly in the alternating-voice condition (Exp. 1). In contrast, when the perceptual organization of the
sequence mapped well onto an optimal two-group serial rehearsal strategy—by presenting the two voices in discrete clusters
(FFFFMMMM)—order, but not item, recall was enhanced (Exp. 2). The results are consistent with the view that the degree of
compatibility between perceptual and deliberate sequencing processes is a key determinant of serial short-term memory performance.
Alternative accounts of talker variability effects in short-term memory, based on the concept of a dedicated phonological
short-term store and a capacity-limited focus of attention, are also reviewed. 相似文献
88.
Gondan M Blurton SP Hughes F Greenlee MW 《Journal of experimental psychology. Human perception and performance》2011,37(6):1887-1897
When participants respond to auditory and visual stimuli, responses to audiovisual stimuli are substantially faster than to unimodal stimuli (redundant signals effect, RSE). In such tasks, the RSE is usually higher than probability summation predicts, suggestive of specific integration mechanisms underlying the RSE. We investigated the role of spatial and selective attention on the RSE in audiovisual redundant signals tasks. In Experiment 1, stimuli were presented either centrally (narrow attentional focus) or at 1 of 3 unpredictable locations (wide focus). The RSE was accurately described by a coactivation model assuming linear superposition of modality-specific activation. Effects of spatial attention were explained by a shift of the evidence criterion. In Experiment 2, stimuli were presented at 3 locations; participants had to respond either to all signals regardless of location (simple response task) or to central stimuli only (selective attention task). The RSE was consistent with task-specific coactivation models; accumulation of evidence, however, differed between the 2 tasks. 相似文献
89.
Metzger A Dawes N Mermelstein R Wakschlag L 《Journal of applied developmental psychology》2011,32(1):1-9
Longitudinal associations among different types of organized activity involvement, problem peer associations, and cigarette smoking were examined in a sample of 1040 adolescents (mean age = 15.62 at baseline, 16.89 at 15-month assessment, 17.59 at 24 months) enriched for smoking experimentation (83% had tried smoking). A structural equation model tested longitudinal paths between three categories of involvement (team sports, school clubs and activities, and religious activities, measured at baseline and 15 months), problem peer associations (baseline and 15 months), and cigarette smoking behavior (baseline and 24 months). Multi-group analyses indicated pathways differed by type of activity and adolescent gender. Boys' baseline team sports and religious involvement predicted lower levels of smoking at 24 months via continued activity involvement at 15 months. Girls' involvement in school clubs and activities and religious activities indirectly predicted lower levels of smoking at 24 months via reduced exposure to problem peers at 15 months. 相似文献
90.
Consumers often encounter goods and services that provide cues to mark their progress. We define the term “goal progress cues” to reflect the diverse category of cues that highlight progress towards a goal. Across a series of three studies, we show that entity theorists, who rely on cues that highlight completion in order to signal their abilities to others, evaluate tasks that include these cues more favorably than those that lack these features. In contrast, incremental theorists, who focus on improving competence, are impacted only by progress cues that highlight learning. We demonstrate these findings across a variety of goal pursuit contexts that represent a mix of customer-centric (retail queues), service-oriented managerial (sales calls), and personal achievement consumer product (mazes) domains using both behavioral and self-reported measures. We conclude with a discussion about the theoretical and substantive implications of our findings. 相似文献