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221.
Objectification theory (Fredrickson & Roberts, 1997) contends that media that places women’s bodies and appearance at a premium can acculturate women to self-objectify (i.e., to view the self primarily in terms of externally perceivable attributes), or to feel anxious or ashamed of their bodies. However, another unexplored possibility is that antecedent levels of self-objectification, appearance anxiety, and body shame could drive the selection or avoidance of sexually objectifying media. The goals of the present study were two-fold: first, to test the directionality of the associations between exposure to sexually objectifying media and body self-perceptions (i.e., does exposure to sexually objectifying media predict body self-perceptions or vice versa); and second, to explore the possible moderating influence of thin-ideal internalization, global self-esteem, and BMI on the relations between exposure to sexually objectifying media and body self-perceptions. A 2-year panel study of female undergraduates was conducted. The results show that Time-1 trait self-objectification, appearance anxiety, and body shame all negatively predicted Time-2 exposure to sexually objectifying media. Moreover, Time-1 exposure to sexually objectifying media predicted an increase in Time-2 trait self-objectification, particularly among women who were low in global self-esteem.  相似文献   
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223.
This study was designed to assess the differential value of several psychological variables with regard to predicting safe-sex behavior. A sample of 94 male and 179 female undergraduate students, ranging in age from 16 to 66 years, were surveyed about sexual issues related to safe-sex practices. The survey included scales measuring participants' knowledge of transmission of AIDS, self-perception of safe-sex communication, fear and concern about AIDS, attitudes toward AIDS victims, and self-report of risky behavior. Several interesting relationships among predictor variables were found. For instance, favorable attitudes toward AIDS victims were positively correlated with knowledge about AIDS transmission, perceived communication with partners about safe sex, and fear of acquiring AIDS. However, only two predictor variables were independently predictive of self-reports of risky sexual behavior; specifically, fear about AIDS transmission was positively correlated with risky behavior, while communication was negatively correlated with risky behavior. These data suggest a need for a model that allows for complex, reciprocal relationships between the cognitive, emotional, and behavioral components of safe-sex practice. Implications are applied to research with college populations.  相似文献   
224.
Same-sex performativity (SSP), or public performances of sexuality (e.g., kissing) between women who identify as heterosexual, is a relatively common relational experience among college-aged women. Identifying patterns of women's motivations for engaging in SSP can elucidate the heterogeneity among women's social and sexual behaviors during a critical developmental period (i.e., college). We used latent class analysis to identify classes of heterosexual undergraduate women who engaged in SSP (N = 282). We identified three classes of motivational patterns: Other-Motivated (i.e., notably motivated by male attention, wanting to shock others, wanting to bond, and social pressure), Ambiguously Motivated (i.e., most motivated by alcohol and fun, but minimally motivated overall), and Sexually Motivated (i.e., notably motivated by sexual desire and sexual experimentation). We then examined how class membership was associated with variables related to participants' evaluation of their SSP experience, self and identity, sexuality, and heterosexism. Classes significantly differed in SSP evaluations, as well as in certain facets of self and identity and sexuality (i.e., sorority membership and same-sex desire). These data provide evidence of substantial complexity in the characterizations of women who engage in SSP. We discuss the implications of the relationship between motivational patterns and women's evaluations of the SSP experience.  相似文献   
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226.
We examined children's ability to anticipate the appearance of transformed multicomponents using visual stimuli with variations of a mental rotation task. We hypothesized that (a) performance would depend on the presence, location, and spatial relationship of specific stimulus features, and that (b) younger children would use a single component to make their predictions, whereas older children would be more likely to use multiple components. In Study 1, 40 first-, and fifth-grade subjects were presented with 32 rotation problems consisting of varied stimulus characteristics; subjects selected the correct option from a field where foils were indicative of the strategy used. Analyses of variance and log linear analyses revealed the hypothesized stimulus effect differentially associated with the children's ages. In Study 2, sixty 5-, 7-, and 9-year olds confronted 64 mental rotation problems with multicomponent stimuli and a construction task. Results and implications confirmed those of Study 1.  相似文献   
227.
Research has shown that speaking rate provides an important context for the perception of certain acoustic properties of speech. For example, syllable duration, which varies as a function of speaking rate, has been shown to influence the perception of voice onset time (VOT) for syllableinitial stop consonants. The purpose of the present experiments was to examine the influence of syllable duration when the initial portion of the syllable was produced by one talker and the remainder of the syllable was produced by a different talker. A short-duration and a long-duration /bi/-/pi/ continuum were synthesized with pitch and formant values appropriate to a female talker. When presented to listeners for identification, these stimuli demonstrated the typical effect of syllable duration on the voicing boundary: a shorter VOT boundary for the short stimuli than for the long stimuli. An /i/ vowel, synthesized with pitch and formant values appropriate to a male talker, was added to the end of each of the short tokens, producing a new hybrid continuum. Although the overall syllable duration of the hybrid stimuli equaled the original long stimuli, they produced a VOT boundary similar to that for the short stimuli. In a second experiment, two new /i/ vowels were synthesized. One had a pitch appropriate to a female talker with formant values appropriate to a male talker; the other had a pitch appropriate to a male talker and formants appropriate to a female talker. These vowels were used to create two new hybrid continua. In a third experiment, new hybrid continua were created by using more extreme male formant values. The results of both experiments demonstrated that the hybrid tokens with a change in pitch acted like the short stimuli, whereas the tokens with a change in formants acted like the long stimuli. A fourth experiment demonstrated that listeners could hear a change in talker with both sets of hybrid tokens. These results indicate that continuity of pitch but not formant structure appears to be the critical factor in the calculation of speaking rate within a syllable.  相似文献   
228.
This study evaluated the effectiveness of a peer-mediated constant time delay procedure for teaching written spelling to fourth- and fifth-grade students identified as learning disabled. The six peer tutors (each with learning disabilities) taught each other to produce the written spelling for 15 five- to eight-letter words using a 3-s delay and a visual model prompt. A multiple probe design across behaviors (word sets) was used to evaluate the procedure. Data were collected on the number of sessions to criterion, trials to criterion, number and percent of errors, and direct instructional time. The classroom teacher prepared students to serve as tutors using a describe-model-guided practice-feedback sequence. Pre- and post-measures were conducted of generalization of the tutoring procedure as well as observational learning by the tutors. Results indicated that (a) peer tutors reliably implemented the time delay procedure, and (b) the tutor-implemented time delay procedure was effective in teaching written spelling to students identified as learning disabled.  相似文献   
229.
Studies of the McGurk effect have shown that when discrepant phonetic information is delivered to the auditory and visual modalities, the information is combined into a new percept not originally presented to either modality. In typical experiments, the auditory and visual speech signals are generated by the same talker. The present experiment examined whether a discrepancy in the gender of the talker between the auditory and visual signals would influence the magnitude of the McGurk effect. A male talker's voice was dubbed onto a videotape containing a female talker's face, and vice versa. The gender-incongruent videotapes were compared with gender-congruent videotapes, in which a male talker's voice was dubbed onto a male face and a female talker's voice was dubbed onto a female face. Even though there was a clear incompatibility in talker characteristics between the auditory and visual signals on the incongruent videotapes, the resulting magnitude of the McGurk effect was not significantly different for the incongruent as opposed to the congruent videotapes. The results indicate that the mechanism for integrating speech information from the auditory and the visual modalities is not disrupted by a gender incompatibility even when it is perceptually apparent. The findings are compatible with the theoretical notion that information about voice characteristics of the talker is extracted and used to normalize the speech signal at an early stage of phonetic processing, prior to the integration of the auditory and the visual information.  相似文献   
230.
Perceived roughness as a function of body locus   总被引:1,自引:0,他引:1  
Twenty subjects made magnitude estimates of the roughness of grooved metallic surfaces applied to 10 body loci. To a first approximation, perceived roughness grew as a power function of groove width, in accordance with earlier studies. The exponents and intercepts (up-down position in log-log coordinates) of the power function turn out to depend strongly on body locus. The straight lines in log-log coordinates tend to diverge with groove width so that differences among body loci are especially pronounced at large groove widths. Sensitivity to roughness was greatest for the lips, fingers, and forearm, and least for the heel, back, and thigh. The rank order of the body loci in terms of roughness sensitivity closely parallels the rank order for punctate pressure sensitivity, as reported by von Frey in 1894, but apparently not for other measures of tactile sensitivity, such as vibration thresholds to various frequencies, two-point thresholds, and error of point localization.  相似文献   
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