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1.
D L Fisher S A Duffy C Young A Pollatsek 《Journal of experimental psychology. Human perception and performance》1988,14(2):253-266
Effects of load (i.e., the number of stimuli in the display) have been observed in multiple-frame studies using a consistent mapping of stimuli to responses (e.g., Fisher, 1982, 1984). In a series of four experiments, it is shown that these effects are not the consequence of differences across the high- and low-load conditions in either decision noise or peripheral masking. Additionally, it is shown that of two modes of limited capacity (a limited-channel and divided-capacity model) considered as possible explanations of load effects in tasks where subjects are required to locate a target, only one--the limited-channel model--is consistent with the results from all three location tasks. Finally, it is argued that the limited-channel model predicts not only the behavior observed in the four consistent-mapping experiments reported in this article but also the behavior observed in several related consistent-mapping tasks (Kleiss & Lane, 1986; Shiffrin & Gardner, 1972). 相似文献
2.
J Duffy 《Journal of experimental child psychology》1992,53(2):151-158
A study was made of the choice reaction times of 8-, 10-, 12-year-olds and adults in order to investigate whether length information stored in memory was coded to preserve numerical relations between stimuli. Subjects learned unique line length-color associations and were later presented with pairs of colors and were instructed to choose the color that had been associated with the longer line. For all age groups, choice reaction times were related to both differences and ratios. These results were interpreted as supporting the analog theory of representation. 相似文献
3.
Pregnant adolescents who smoke present a double obstetrical risk. Not only is the adolescent mother at risk from the biological, social, educational, and economic factors associated with childbearing at a young age, she and her developing infant also risk the complications associated with maternal smoking. This paper describes a psychosocial intervention designed to reduce smoking in a group of pregnant adolescents. Five modules are presented. Each is designed to: (1) heighten awareness of the issue, (2) provide motivational messages, (3) enhance the adolescent's social skills, and (4) teach specific smoking-cessation skills. 相似文献
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The present study used a multitrait-multimethod technique [D.T. Campbell and D. W. Fiske (1959) “Convergent and Discriminant Validation by the Multitrait-Multimethod Matrix,” Psychological Bulletin, 56, 81–105] to examine Bem's [(1974) “The Measurement of Psychological Androgyny,” Journal of Consulting and Clinical Psychology, 42, 152–162] use of an instrumental-expressive dichotomy to conceptualize the Masculinity and Femininity scales of the Bem Sex Role Inventory as statistically orthogonal constructs. Results indicate that while perhaps reliable, masculinity and femininity lack clear convergent and discriminant validity. Therefore, Bem's contention that masculinity and femininity are orthogonal constructs is questioned. Results are discussed in light of trait- vs. method-driven research. 相似文献
6.
This study assessed whether men's heterosocial skill and attitudes toward women are related to verbal and physical sexual coercion in a nonincarcerated population. We predicted that heterosocially skilled men would be more likely than unskilled men to have engaged in verbal sexual coercion, whereas unskilled men would be more likely than skilled men to have engaged in physical sexual coercion (i.e., forceful rape). We expected an interaction, with this pattern holding only for men who accepted traditional gender roles or male sexual dominance; men who did not accept these attitudes were expected to be unlikely to have engaged in either verbal or physical coercion. To identify sexually coercive men, we administered questionnaires to 1152 male introductory psychology students. They completed anonymous self-report measures of (a) heterosocial skill, (b) attitudes toward women, and (c) involvement with verbal and physical sexual coercion. Results showed that heterosocially skilled men were more likely than unskilled men to have engaged in verbal sexual coercion, but heterosocial skill was unrelated to forceful rape. Men who accepted traditional gender roles or male sexual dominance were more likely than other men to have engaged in both verbal sexual coercion and forceful rape. There were no interactions. Theoretical issues and treatment implications are discussed.The authors wish to thank Gayla Goolsby, Trudi Zaplac, Diane Collinge, Shelley Davis, Gina Benedicto, and DiAnne Poehl. This paper is based on the second author's Senior Honors Thesis, done as part of the Texas A&M University Undergraduate Fellows Program, which provided funding. 相似文献
7.
BODY IMAGE AND SOCIOCULTURAL NORMS 总被引:2,自引:0,他引:2
Internalization of sociocultural norms about the body has been theorized to be an important factor in fostering body dissatisfaction in women. Some theorists have suggested that a lesbian identity may buffer or immunize lesbians from the damaging effects of society's pressure to be thin by reducing this internalization. This study was designed to test this claim empirically. Questionnaires were completed by 108 lesbians and 115 heterosexual women recruited through snowball sampling. Lesbians felt more fit, reported less negative attitudes toward their lower bodies, and internalized sociocultural norms less than heterosexual women. For all women, internalization of sociocultural norms significantly predicted body attitudes. Lesbians and heterosexual women appear to be similarly exposed to and aware of society's messages, and as such their body attitudes substantially overlap. However, lesbians are buffered from these views in some specific areas. These differences appear to be primarily the result of differential internalization of sociocultural norms. 相似文献
8.
To test the effects of variations in the structure of tasks used to assess limb apraxia, eight tasks—differing in their modes of elicitation (tactile, verbal, visual, imitation) and/or types of movement elicited (transitive, intransitive, meaningless)—were administered to 25 carefully selected subjects with idiomotor limb apraxia. When standardized scores (based on the performance of 10 nonneurologically impaired control subjects) were used to measure the differences between tasks, no clinically significant task effects were found. Additional investigation was made of two causal hypotheses regarding the processes underlying limb apractic performance. The results of factor analyses and a search for double dissociations among individual subjects were consistent with the (severity) hypothesis that differences in task performances (raw scores) reflect degrees of task difficulty; and they failed to support the (disconnection) hypothesis that posits separate and independent neural/mental processes underlying task performances. 相似文献
9.
The speed and accuracy of judgements made by pre-school children on the Kansas Reflection-Impulsivity Scale for Pre-schoolers (KRISP - Wright 1971, 1973) and on a two-choice length discrimination task were investigated. If subjects were relatively accurate on the KRISP then correct responses tended to be faster than errors while if subjects were relatively inaccurate errors were the faster. It is inferred that accurate subjects respond asymptotically in terms of a speed-accuracy tradeoff while inaccurate subjects set a less demanding criterion. Accurate subjects showed a tendency to increase inspection time as a function of item difficulty. This relation did not hold for inaccurate subjects.However, groups classified by means of the KRISP did not differ in either the speed of correct responses or accuracy of line length discriminations. For all groups judgement times were significantly related to stimulus differences and to stimulus ratios. There was no evidence that so-called impulsive children engage in less efficient and less detailed processing than other children.It is argued, contrary to the view of Kagan and his co-workers (e.g. Kakan 1966), that speed and accuracy of responding may not reflect a stable trait dimension. Rather children appear to be able to change their strategies according to the particular demands, implicit or explicit, of the task. 相似文献
10.
Studies in Philosophy and Education - 相似文献