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81.
Healy AF Wohldmann EL Sutton EM Bourne LE 《Journal of experimental psychology. Learning, memory, and cognition》2006,32(3):534-546
In 3 experiments, participants, on signal, moved a cursor from a central position to 1 of 8 numerically labeled locations on the circumference of a clock face. Movements were controlled by a mouse in 1 of 4 conditions: vertical reversal, horizontal reversal, combined reversals, or normal (i.e., no reversals). Participants were trained in 1, 2, or 3 of these conditions and were tested 1 week later with either the same or a different condition. There were improvements across training and perfect retention across the delay. There was little or no transfer, however, even when training involved combined reversals or multiple conditions. These results illustrate severe specificity of training and are interpreted in terms of acquired inhibition of normal responses. 相似文献
82.
83.
Genetic and environmental influences on mothering of adolescents: a comparison of two samples 总被引:6,自引:0,他引:6
Neiderhiser JM Reiss D Pedersen NL Lichtenstein P Spotts EL Hansson K Cederblad M Ellhammer O 《Developmental psychology》2004,40(3):335-351
This study examined 2 samples of adolescents and mothers using a child-based design (Nonshared Environment in Adolescent Development [NEAD] project, N = 395 families) and a parent-based design (Twin Moms [TM] project, N = 236 twin family pairs) to compare genetic and environmental influences on mothering. For both samples, the same measures of positivity, negativity, control, and monitoring were used. The use of matched child-based and parent-based samples enabled passive and nonpassive genotype-environment (GE) correlations to be approximated, providing information about process. Passive GE correlations were suggested for mother's positivity and monitoring. For mother's negativity and control, primarily nonpassive GE correlations were suggested. In several cases, both types of GE correlation were indicated. Finally, observer ratings of negativity and monitoring were influenced only by environmental factors. 相似文献
84.
Taylor R Page A Morrell S Harrison J Carter G 《Suicide & life-threatening behavior》2005,35(3):277-290
The purpose of this study was to investigate urban-rural differentials in Australian suicide rates, and to examine influences that previously have remained largely speculative. Suicide rates for males (all ages and young adults) were significantly higher in rural areas compared to urban areas. Urban-rural suicide rate differences in males were rendered nonsignificant after adjustment for migrant and area socioeconomic status. Adjusting for mental disorder prevalence, in addition to migrant status, reduced the excess suicide risk in rural areas; the excess was reduced further with addition of mental health service utilization. The implications of this study are that socioeconomic circumstances in rural populations contribute to higher male suicide rates compared to urban areas, but these conditions may be partly mediated by mental disorder prevalence and mental health service utilization. 相似文献
85.
In this study, we investigated the psychometric properties of the Sensation Seeking Scale-V (SSS-V; Zuckerman, Eysenck, & Eysenck, 1978). Participants were 498 undergraduate students at a public university. A confirmatory factor analysis supported the SSS-V four-factor structure. In addition, the internal consistency was high and the convergent validity of the SSS-V was supported. These findings replicate research supporting the construct validity and reliability of the SSS-V in a nonclinical college sample. 相似文献
86.
Connor D. O'Rear Erica L. Zippert Patrick Ehrman Lauren Westerberg Christopher J. Lonigan David J. Purpura 《Infant and child development》2023,32(5):e2444
In two studies, we investigated whether using three-dimensional (3D) manipulatives during assessment aided performance on a variety of preschool mathematics tasks compared to pictorial representations. On measures of children's understanding of counting and cardinality (n = 103), there was no difference in performance between manipulatives and pictures, with Bayes factors suggesting moderate evidence in favor of the null hypothesis. On a measure of children's shape identification (n = 93), there was no difference in performance between objects and pictures, with Bayes factors suggesting moderate evidence in favor of the null hypothesis. These results suggest flexibility in the materials that can be used during assessment. Pictures, or 2D renderings of 3D objects, which can be easily printed and reproduced, may be sufficient for assessing counting and shape knowledge without the need for more cumbersome concrete manipulatives. 相似文献
87.
The message that women should be thin comes from many sources; some of which may be using the terminology loosely. To test this, the Figure Rating Scale was mailed to 547 personal ad writers to examine the actual preferences of those seeking a thin partner, those seeking a physically fit partner, and those giving no weight preference. Respondents indicated ideal and acceptable body sizes for partners. The ethnicity of respondents was 85.1% White, 7.5% Hispanic, 1.4% African American, 0.7% American Indian, and 4.1% other. The mean education level was 16.6 years and the average annual income was about $40,000. Although males in the three ad categories had statistically significant differences in their choice of an ideal figure, the actual figure size differences appeared negligible, and men did not differ in the number of figures they found acceptable. Females chose the same figure as ideal despite different weight requests. The implications of males accepting a wide range of body sizes for a partner despite specifically requesting a thin one are discussed. 相似文献
88.
The Effects of Tai Chi Chuan Relaxation and Exercise on Stress Responses and Well-Being: An Overview of Research 总被引:3,自引:0,他引:3
The rationale of this article is to review, analyze, and discuss studies concerning the role of Tai Chi in stress management and well-being, linking those studies to research on exercise, yoga, and relaxation with regard to physiological and psychological wellness. All studies reported in PsychLit and Medline between 1996 and 1999 directly related to the subject, plus other studies relevant for the analysis, are addressed in this review. Studies reviewed in this article characterize Tai Chi as a form of moderate exercise. Although Tai Chi may not be suitable for achieving aerobic fitness, it may enhance flexibility and overall psychological well-being. Cognitively, there are indications that Tai Chi exercise may lead to improvements in mood. However, it is not clear whether the positive effects of Tai Chi are due solely to its relaxation and meditation component, or whether they are the consequence of various peripheral factors, since it is known that stress reduction often occurs when we indulge in activities we find pleasurable and satisfying. An important finding is that all studies on the benefits of Tai Chi for senior adults have revealed positive results. 相似文献
89.
Morrell HE Gaitan S Wixted JT 《Journal of experimental psychology. Learning, memory, and cognition》2002,28(6):1095-1110
Most models of recognition memory involve a signal-detection component in which a criterion is placed along a decision axis. Older models generally assume a familiarity-decision axis, but newer models often assume a likelihood ratio axis instead because it allows for a more natural account of the ubiquitous mirror effect. In 3 experiments reported here, item strength was differentially manipulated to see whether a mirror effect would occur. Within a list, the items from 1 category were strengthened by repetition, but the items from another category were not. On the subsequent recognition test, the hit rate was higher for the strong category, but the false-alarm rates for the weak and strong categories were the same (i.e., no mirror effect was observed). This result suggests that the decision axis represents a familiarity scale and that participants adopt a single decision criterion that they maintain throughout the recognition test. 相似文献
90.
Morrell MJ Flynn KL Seale CG Done S Paulson AJ Flaster ER Ferin M 《CNS spectrums》2001,6(9):771-2, 783-86
Women with epilepsy are at risk for reproductive health dysfunction. Sex-steroid hormone abnormalities have been reported in women with epilepsy, but it has been difficult to determine whether these abnormalities are due to epilepsy-related hypothalamic-pituitary axis dysfunction, or to pharmacokinetic actions of antiepileptic drugs (AEDs). Sex-steroid hormones were evaluated in 84 reproductive-aged women with epilepsy receiving an AED in monotherapy, and in 20 nonepileptic controls. Estrone, free testosterone, and androstenedione were significantly lower in subjects receiving enzyme-inducing AEDs than in nonepileptic controls. Free testosterone was significantly elevated in subjects receiving valproate compared to nonepileptic controls. Subjects with epilepsy receiving gabapentin or lamotrigine were no different from the nonepileptic controls in any of the endocrine variables. Subjects with epilepsy who are receiving AEDs that alter cytochrome P450 enzymes are at risk for significant abnormalities in sex-steroid hormones. In contrast, subjects receiving AEDs that do not alter cytochrome P450 enzymes show no differences in sex-steroid hormones compared with nonepileptic controls. With new AEDs available that do not alter cytochrome P450 enzymes, physician selection of therapy should consider not only seizure control, but also potential effects on reproductive physiology. 相似文献