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971.
Beatrice Beebe Diane Alson Joseph Jaffe Stanley Feldstein Cynthia Crown 《Journal of psycholinguistic research》1988,17(3):245-259
Turn-taking is the fundamental temporal structure of adult dialogue. This structure defines two types of joint silence: intrapersonal pause (silence bounded by the vocalizations of a single speaker) and switching pause (silence bounded by the vocalizations of different speakers). Switching pauses mark the boundaries of the turn exchange. In adult conversation the mean durations of both types of pause are characteristically matched between partners. This matching, termed vocal congruence, occurs developmentally earlier in the case of switching pauses. We hypothesized and confirmed that mothers and infants match switching pauses but not intrapersonal pauses at 4 months, even though the infants' vocalizations are prelinguistic. Second, since there are known affective correlates of vocal congruence in adult conversation, we hypothesized a similar affective correlate for mother-infant vocal congruence. We found, for the intrapersonal pause only, that the degree of matching within a dyad correlated with infant affective engagement. We conclude, from switching pause congruence, that a turntaking dialogic structure is being regulated in the mother-infant pair at 4 months in the same way as seen in adult conversation. Thus, both the temporal structure of adult dialogue and its affective correlate are prelinguistic.Supported in part by NIMH grant No. 41675. 相似文献
972.
Memory for pictures was investigated under conditions of difficult foil discriminability and lengthy retention intervals. The foils preserved the theme of the studied stimulus, but differed in the number and quality of nonessential physical details. In each experiment, subjects viewed colored photographs, black-and-white photographs, elaborated line drawings, and unelaborated line drawings, followed by an old/new (Experiment 1) or a four-alternative forced-choice (Experiment 2) test given either immediately, 1 day, 1 week, or 4 weeks following study; Experiment 3 replicated Experiment 1 but with a 12-week delay. For the old/new procedure, performance was best on colored photographs, with performance differences among the four stimulus types still significant after 4 weeks. For the forced-choice test, performance on colored photographs and unelaborated line drawings was best, with performance differences among stimulus types also still significant after 4 weeks. A confusion analysis indicated that errors were based on physical similarity, even after 12 weeks. These results refute the hypothesis that the memorial representations for pictorial variations converge to a common, thematic code after lengthy delays; instead, non-thematic, analogue information is encoded and preserved for lengthy time periods. 相似文献
973.
While dissent has been construed in terms of social support and informational influence, this paper hypothesizes that exposure to dissenting minority views, even when they are wrong, stimulates resistance to conformity and increased adherence to one's own views. In this study, individuals in groups of four judged the colour of a series of blue stimuli and were exposed to one individual who consistently judged the stimuli to be ‘green: inconsistently judged them to be 'green' or expressed no dissent. In a subsequent setting, when judging a series of red slides; subjects were exposed to a majority who repeatedly judged them as 'orange’. Exposure to dissent, whether it was consistent or inconsistent, substantially reduced the level of conformity. In fact, exposure to the consistent dissent led to almost complete independence. 相似文献
974.
975.
Richard Schweickert Cynthia Dahn Kimberly McGuigan 《Attention, perception & psychophysics》1988,44(4):383-389
Two experiments investigated the effects of intensity and the number of response alternatives in hue identification. Three questions were addressed. First, what is the relationship between these effects? If intensity and number of alternatives affect different processes in series, these factors would have additive effects on reaction time (RT). Other models predict a multiplicative interaction. These models assume that when a stimulus is presented, evidence accrues over time for each response alternative, and that when the evidence for a particular alternative exceeds its criterion, the response is made. A natural auxiliary assumption is that intensity affects the rate of evidence accrual, while the number of alternatives affects the criterion. The second question addressed is, how does choice RT change as a function of intensity? Piéron used a power function to describe the effect of intensity on simple RT. This paper considers three candidates for intensity’s effect on choice RT: the power, logistic, and Michaelis functions. Each candidate function was tested in an additive model and a multiplicative model. The best account was given by the power function in an additive model. The last question is, does each process produce an output that can be classified as correct or incorrect? Schweickert (1985) proposed that factors that selectively influenced such processes would have additive effects on log percent correct. Instead, an interaction was found. Perhaps the assumption that the process affected by intensity produces a single output is wrong. 相似文献
976.
Kwok Leung 《International journal of psychology》1989,24(6):703-719
Two approaches to the interpretation of and theorizing about cross-cultural differences are identified. In the individual-level approach, cultural differences are assumed to be consistent with individual differences within each of the cultures included in the cross-cultural comparison. The use of antecedent variables to eliminate alternative explanations based on biases is reviewed and some problems noted. It is suggested that explicit theories be used to guide the selection of antecedent variables to minimize the impact of cultural biases. In the second approach, the culture-level approach, culture is the unit of analysis and there is no assumption regarding the correspondence between culture- and individual-level relationships. Two examples are given to illustrate the potential usefulness of this approach to developing concepts and theories that are very different from those derived from the individual-level approach. The problems of bias in this level of analysis are also discussed. Finally, it is argued that in cross-cultural psychology the individual-level approach dominates, but we should pay more attention to culture-level research. This approach may lead to the development of concepts and theories that are not likely to be produced by mono-cultural works. 相似文献
977.
Cynthia Gallois Yoshihisa Kashima Deborah Terry Malcolm Mcamish Perri Timmins Anita Chauvin 《Journal of applied social psychology》1992,22(19):1521-1545
A study of 85 heterosexual men, 85 heterosexual women, and 82 homosexual men was undertaken to examine the variables that influence intentions to engage in different sexual practices and actual sexual behavior. On the basis of Fishbein and Ajzen's (1975) theory of reasoned action, it was predicted that the strength of intentions would be related to whether behavior was in accord with intentions. Consistent with expectations, the strength of intention to engage in six different sexual practices (e. g., vaginal intercourse, anal intercourse, oral sex) and the three strategies that modify the risk of HIV transmission (sex with an exclusive partner, sex wearing a condom, and looking for a new partner) predicted actual behavior. Second, it was proposed that attitudes toward one's sexual practices and norms would be related to intentions to engage in safe sex. To reflect differential levels in the safety of behavioral intentions, five safety intention groups were formed: (a) nonpenetrative sex, (b) penetrative sex in an exclusive relationship with a condom, (c) penetrative sex in an exclusive relationship without a condom, (d) penetrative sex in a nonexclusive relationship with a condom, and (e) penetrative sex in a nonexclusive relationship without a condom. Norms, rather than attitudes, distinguished the five safety intention groups. the groups intending to engage in safe sex (nonpenetrative sex or penetrative sex with a condom) perceived lower levels of social approval for their sexual practices than the noncondom groups. Additional analyses showed that past behavior had a stabilizing effect on the intention-behavior relationship, but only for the nonpenetrative and noncondom safety intention groups. 相似文献
978.
979.
Brian P. Conaghan M.Sc. Dip. Audiology Nirbhay N. Singh Ph.D. Theresa L. Moe B.S. Timothy J. Landrum Ph.D. Cynthia R. Ellis M.D. 《Journal of Behavioral Education》1992,2(2):177-205
Behavioral procedures have been used to teach manual communication skills to individuals with mental retardation, although few studies have examined the assessment of generalization of such skills beyond the teaching environment. In this study, we investigated the effectiveness of directed rehearsal for teaching and facilitating the generalization of manual signs by six hearing-impaired adults with mental retardation. The effects of directed rehearsal, alone and combined with positive reinforcement for correct responses, were compared to a no-training control condition in an alternating treatments design. Although directed rehearsal was superior to the no-training control condition in teaching manual signs, the procedure was more effective when combined with positive reinforcement. The combined procedure was used to facilitate the generalization of learned signs across a number of variables. The results showed that there were high levels of generalization by all participants across novel phrases, settings, and trainers but variable levels of generalization to another response mode by some subjects. Further, increased levels in overall vocal communication were found for most participants. 相似文献
980.
Cary E. Jenson Robert G. Green Nirbhay N. Singh Al M. Best Cynthia R. Ellis 《Journal of child and family studies》1998,7(2):205-215
We investigated causal attributions parents made regarding their children's best and worst behavior while the children were taking methylphenidate (MPH) for Attention-Deficit Hyperactivity Disorder (ADHD). Twenty-six parents were surveyed each week for six weeks using the Parent Attribution Scale-Revised. This scale measures parents' attributions of the causes for their children's behavior when taking MPH to treat symptoms of ADHD. When attributing causes for best behavior, the parents rated their children's effort most often followed by their own effort and the positive medication effects. When attributing causes for worst behavior, the parents rated their children's lack of effort most often followed by inadequate medication effects and their own lack of effort. Our study suggests that parents rate effort most often when making attributions for their children's best and worst behavior. When making attributions for best behavior only, parents saw no difference between their own efforts and the effects of medication. When making attributions for worst behavior only, parents were more likely to blame their children's lack of effort and the ineffectiveness of medication more often than their own lack of effort. 相似文献