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This article analyzes the pattern of citations among all communication journals covered by the first nine years of the Journal Citation Reports volume of the Social Sciences Citation Index (Garfield, 1977–1985). It approaches these analyses from two perspectives: (1) bibliometric analysis of citation flows, ratios, and impact factors, and (2) network analysis of both cohesion-based and position-based citation patterns. The field of communication exhibits clear clustering and inbreeding, consisting of cliques of interpersonal journals, mass media journals, and residual isolate journals. Citation patterns within and across these cliques have been very stable from 1977 through 1985. The cohesion analyses show that Human Communication Research and Communication Education provide weak ties from mass media journals to interpersonal communication journals. The Journal of Communication is cited the most strongly by the most journals, and provides, by means of citations, bidirectional channels for the flow of scientific information between mass media journals and interpersonal journals. The positional analyses show that the set of journals that has similar citing patterns is somewhat different from the set of journals that is cited similarly. In particular, the set of sources for the research reported in articles in these journals is not similar to the set of journals that refer to the articles in these journals. 相似文献
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In two previous studies, the perception of speech rate was found to be positively related to the vocal frequency and intensity of speech. In those studies, a single sample of spontaneous, content-masked speech was used to produce nine stimuli by factorially varying three levels of each vocal frequency and intensity, while controlling the actual speech rate of the stimuli. Participants were asked to judge each stimulus, preceded by a standard, “anchoring,” stimulus as to its speech rate, pitch, loudness, and duration. The purpose of the three studies reported here was to examine the generalizability of the previous findings by using stimuli that were nonmasked and/or were not preceded by an anchoring stimulus. In each study, nine speech stimuli were prepared, as described above, and participants were asked to make judgments about the rate, pitch, loudness, and duration of each stimulus. In the first study, the stimuli were masked but were not preceded by an anchoring stimulus. In the second study, participants listened to content-standard speech stimuli preceded by an anchoring stimulus. Finally, in the third study, content-standard stimuli without an anchoring stimulus were used. In addition, studies two and three used speech segments of a male and a female speaker. The findings from the three studies replicated the central findings of the previous studies. They suggest, in other words, that rate perception of speech is indeed influenced by vocal frequency and, to some extent, by intensity, and that these relationships are not materially altered by the speakers'gender. 相似文献
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RONALD A. BEGHETTO 《创造性行为杂志》2006,40(3):149-162
Prospective teachers (N = 117) enrolled in an introductory educational psychology course completed questions measuring their perceptions of past schooling experiences, current views regarding the importance of promoting student creativity, and their perceived ability to promote creativity. Statistically significant differences were found between the low importance and high importance groups. Prospective teachers who viewed promoting creativity of students as highly important were significantly less likely to indicate that they enjoyed school. In addition, prospective teachers in the high importance group indicated significantly lower levels of experiencing belongingness (relatedness) and significantly lower self‐judgments of their past ability to be successful in school (competence). Judgments regarding the choices afforded in school (autonomy) were mixed, but favored prospective teachers who placed less importance on promoting student creativity. Finally, prospective teachers who viewed promoting student creativity as highly important were significantly more likely to indicate that they had the ability to promote student creativity. A creative‐justice hypothesis was derived from these results. This hypothesis posits that individuals committed to promoting creativity are driven by their own past experiences with creativity diminishing environments. These individuals then seek out opportunities to transform the experiences of new inhabitants in similar environments. 相似文献