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911.
Jean Requin Marilyn Granjon Henri Durup Guy Reynard 《Quarterly journal of experimental psychology (2006)》1973,25(3):344-353
It was hypothesized that the time course of preparation during a variable interstimulus interval (ISI) of a simple reaction time (RT) experiment was partly determined by the subjective distribution of conditional probabilities of the executive signal (ES). Sixty subjects performed a simple auditory RT task with various ranges of six ISI durations organized in rectangular frequency distributions. In order to give the subjects information about elapsed time during ISI, a recurring time-marking click, the periodicity of which was varied, was introduced during the ISI in one of the three series of trials each subject performed. A strong decreasing RT--ISI relationship was observed supporting the main hypothesis. However, a clear increase of mean RT over all ISIs combined, was also found. Because these two mixed effects were greatest when the click intervened at the possible times of ES occurrence only, three functions of time-information given by the click are discussed: (a) a reduction of the usual increase of time estimation error with increased ISI; (b) an increase of the subjects knowledge of the ISI range resulting from the discontinuity of the time-marking click which makes easier a discrete time-intervals numbering process; (c) a change of the simple-RT task into a discrimination task. 相似文献
912.
913.
914.
Martin R. Adams 《Journal of Fluency Disorders》1983,8(2):147-153
Considering the long history of research into stuttering, it is surprising that so little time has been devoted to the study of factors that contribute to the success of therapy. Even less attention has been devoted to uncovering forces that promote poor treatment outcomes. In this article and the companion piece that follows it, an attempt has been made to delineate what may prove to be predictors of unsuccessful therapy. In this first of the two articles, the focus in on the identification of patient, extraclinical, and clinician variables that could act to negate progress during the establishment phase of treatment. 相似文献
915.
916.
Marilyn L Shaw 《Cognitive psychology》1982,14(3):353-409
Information relevant to a decision is often available from several sources, such as different sensory modalities or different spatial locations. Processing or utilization of such information is often selective in that some sources seem to have more influence on a decision or response than others. Many different theoretical mechanisms have been proposed to account for such selective (i.e., attentional) aspects of human information processing. This paper considers theoretical mechanisms which operate to integrate separate sources of information in order to make a binary decision. In particular, these mechanisms are studied in simple visual and auditory detection tasks as well as a Bayesian decision problem. Data from these experiments reject the idea that one integrates the relevant information from several sources prior to making a decision. Rather, one seems to form separate decisions about the information from each source and then integrate these decisions in order to select a response. 相似文献
917.
The present study was undertaken to determine whether pacing and masking would facilitate improved speech initiation times (SITs) both for stutterers and for nonstutterers. All subjects were tested in control, pacing, and masking conditions. The results showed that both stutterers and nonstutterers (1) improved their SITs during the pacing condition as compared with the control condition (p = 0.01), (2) had slower SITs in the masking condition as compared with the control condition (p = 0.05), and (3) had faster SITs during the pacing as compared with the masking condition (p = 0.01). The SIT between-group findings demonstrated that stutterers were slower than nonstutterers across all SIT conditions (p = 0.08). The discussion of these results centers on the facilatory nature of novel stimulation in modifying speech-system functioning. 相似文献
918.
Marilyn Lawrence 《British Journal of Guidance & Counselling》1981,9(1):74-85
Thispaper is an attempt to describe and examine the role of the counsellor in relation to anorexia nervosa. The condition is analysed in terms of its social and psychological factors. The need for control and self-mastery is put forward as a dominating characteristic. The role of refeeding in anorexia is discussed, with the suggestion that the attitudes of anorexies and their doctors need to be understood as a whole. Finally, the counselling possibilities are suggested, and the position of the counsellor vis-à-vis the refeeders is discussed. 相似文献
919.
The hypothesis was tested that pre-menstrual and post-menstrua I increases in sexual activity are due to anticipation of deprivation and rebound following deprivation (Ford & Beach, 1951). Thirty-five married women completed daily questionnaires about their sexual activity for at least two menstrual cycles. Evidence supported the hypothesis that the post-menstrual peak in intercourse is a rebound phenomenon. There was less evidence to support the hypothesis that a pre-menstrual rise represents anticipation of deprivation. In addition, there was a tendency to increase autosexual activity during periods of sexual abstention, which may represent a compensation phenomenon. 相似文献
920.
Speech rate can be reduced by prolonging the duration of phonetic units, by pausing between words, or through a combination of these approaches. Child and adult normally fluent speakers and stutterers were tested in basal and modified speaking rate conditions. Subjects' utterances in both conditions were converted to spectrographic displays so that measures of phonetic and pause durations could be made. Comparisons of these measures across conditions revealed that all four groups of subjects spontaneously extended pause and phonetic durations, the former more than the latter, when instructed to voluntarily reduce speech rate. 相似文献