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141.
Dylan Jones Clare Madden Chris Miles 《The Quarterly Journal of Experimental Psychology Section A: Human Experimental Psychology》1992,44(4):645-669
Memory for visually presented items is impaired by speech that is played as an irrelevant background. The paper presents the view that changing state of the auditory material is an important prerequisite for this disruption. Four experiments studied the effects of sounds varying in complexity in an attempt to establish which features of changing state in the auditory signal lead to diminished recall. Simple unvarying or repetitive speech sounds were not sufficient to induce the irrelevant speech effect (Experiment 1): in addition, simple analogues of speech, possessing regular or irregular envelopes and using a range of carriers, failed to imitate the action of speech (Experiment 2). Variability of between-utterance phonology in the irrelevant stream (Experiment 3) emerged as a crucial factor. Moreover, predictability of the syllable sequence did not reduce the degree of disruption (Experiment 4) suggesting that supra-syllabic characteristics of the speech are of little importance. The results broadly support the idea that disruption of short-term memory only occurs when the speech stream changes in state. It is argued that disruption occurs in memory when cues to serial order based on phonological representations of heard material interfere with the phonological codes of visual origin. It is suggested that cues to changing state of the speech input contaminate those associated with items of visual origin, which are already in a phonological store. 相似文献
142.
A number of studies have shown that children learn noun pairs faster when they have been presented in a noun-verb-noun context than when they are presented in a noun-conjunction-noun context. Suzuki and Rohwer (1969) hypothesized that the underlying strings of sentences correspond to memory units, making it easier to recall two nouns from the same underlying string than from two different underlying strings. They reported that data from fifth graders supported this hypothesis but that data from college students did not. The experiments reported here were done to determine whether the hypothesis would be supported (a) if the test rate were faster than that used by Suzuki and Rohwer or (b) if sentences longer and more complex than those used by them were employed. The recall data accorded with some predictions derived from the hypothesis. However, data from Ss’ posttraining reports on how they learned the pairs suggest that Ss, particularly adults, often made up their own strings rather than using those provided, and raise the question of the adequacy of Suzuki and Rohwer’s procedure for testing this hypothesis, particularly in adults. 相似文献
143.
144.
This exploratory study aimed to investigate the influence of specific socio-demographic variables on a computerized test of non-verbal neuropsychological performance. Six hundred and thirty South African first year students were assessed using the University of Pennsylvania Computerized Neuropsychological Test Battery (PennCNP). Fluid intelligence was measured by a computerized version of the Raven's Progressive Matrices (SRAVENS). Analysis of variance indicated that gender, home language, quality of schooling, language of schooling and paternal education influenced performance on the SRAVEN. Stepwise multiple regression evidenced the importance of language, paternal education and high school language on SRAVENS responses. The assumption of non-verbal test scores as being independent of socio-demographic factors needs to be revisited as such independence cannot be maintained in light of such evidence. 相似文献
145.
Woods AB Page GG O'Campo P Pugh LC Ford D Campbell JC 《American journal of community psychology》2005,36(1-2):159-175
Background: Women who experience intimate partner violence (IPV) report greater stress and negative health consequences than nonabused women. Although an association between psychological stress and altered immune function has been shown, IPV studies have not investigated this relationship. Objective: This study explored the association of IPV with mental health symptoms and an immune marker to determine if posttraumatic stress disorder (PTSD) symptoms mediate the effect of IPV on pro-inflammatory (IFN-γ) cytokine levels. Methods: A cross-sectional, comparative design was used to compare 62 women with IPV and 39 nonabused women. Results: Mean IFN-γ values were higher in abused women and in women with current PTSD symptoms. There were no significant relationships with potential confounding variables that could provide an alternative explanation for the increase in production of proinflammatory cytokines. Conclusions: PTSD symptoms mediate the association between IPV and IFN-γ levels and may partially explain the association of mental health symptoms with physical health sequelae in IPV. 相似文献
146.
The present study aims to answer two questions: (1) are expectations of future positive experiences related to well-being in the general population?; and (2) what factors (social, psychological, economic) enable people to have expectations of future positive experiences. A community sample (N = 84) was assessed on a measure of anticipation of future positive and negative experiences, factors that might enable positive anticipation (measures of income, social networks, planning ability, and affective capacity) and measures of subjective well-being (positive and negative affect and life satisfaction). Subjective well-being was related to having more anticipated positive experiences, which was in turn related to having a large social network, having a high number of steps in plans to achieve goals, and, more marginally, to having a high household income. 相似文献
147.
Some clinicians working with families with alcohol or other drug problems continue to use the codependency model to guide their practice despite the limited empirical support for this approach. Research into codependency has been hampered by the lack of psychometrically sound instruments. The Holyoake Codependency Index (HCI; G. E. Dear & C. M. Roberts, 2000) is a 13-item self-report measure of codependent traits that has previously shown adequate to high reliability, initial evidence of construct validity, and an internal structure that is consistent across samples. In the 4 studies reported here, the internal structure of the HCI was confirmed using confirmatory factor analysis, and further evidence of construct validity was found in that the HCI subscales showed meaningful associations with other psychological and demographic variables. 相似文献
148.
Ninness C Rumph R McCuller G Harrison C Ford AM Ninness SK 《Journal of applied behavior analysis》2005,38(1):1-22
Following a pretest, 11 participants who were naive with regard to various algebraic and trigonometric transformations received an introductory lecture regarding the fundamentals of the rectangular coordinate system. Following the lecture, they took part in a computer-interactive matching-to-sample procedure in which they received training on particular formula-to-formula and formula-to-graph relations as these formulas pertain to reflections and vertical and horizontal shifts. In training A-B, standard formulas served as samples and factored formulas served as comparisons. In training B-C, factored formulas served as samples and graphs served as comparisons. Subsequently, the program assessed for mutually entailed B-A and C-B relations as well as combinatorially entailed C-A and A-C relations. After all participants demonstrated mutual entailment and combinatorial entailment, we employed a test of novel relations to assess 40 different and complex variations of the original training formulas and their respective graphs. Six of 10 participants who completed training demonstrated perfect or near-perfect performance in identifying novel formula-to-graph relations. Three of the 4 participants who made more than three incorrect responses during the assessment of novel relations showed some commonality among their error patterns. Derived transfer of stimulus control using mathematical relations is discussed. 相似文献
149.
Ward G Woodward G Stevens A Stinson C 《Journal of experimental psychology. Learning, memory, and cognition》2003,29(2):186-210
Three experiments examined the word frequency effect in free recall using the overt rehearsal methodology. Experiment 1 showed that lists of exclusively high-frequency (HF) words were better recalled, were rehearsed more, and were rehearsed to more recent serial positions than low-frequency (LF) words. A small HF advantage remained even when these 2 variables were equated. Experiment 2 showed that all these effects were much reduced with mixed lists containing both HF and LF words. Experiment 3 compared pure and mixed lists in a within-subject design and confirmed the findings of Experiments 1 and 2. It is argued that number of rehearsals, recency of rehearsals, and strength of interitem associations cause the word frequency effect in free recall. 相似文献
150.