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261.
Bootstrap and jackknife techniques are used to estimate ellipsoidal confidence regions of group stimulus points derived from
INDSCAL. The validity of these estimates is assessed through Monte Carlo analysis. Asymptotic estimates of confidence regions
based on a MULTISCALE solution are also evaluated. Our findings suggest that the bootstrap and jackknife techniques may be
used to provide statements regarding the accuracy of the relative locations of points in space. Our findings also suggest
that MULTISCALE asymptotic estimates of confidence regions based on small samples provide an optimistic view of the actual
statistical reliability of the solution.
The authors wish to thank Geert DeSoete, Richard A. Harshman, William Heiser, Jon Kettenring, Joseph B. Kruskal, Jacqueline
Meulman, James O. Ramsay, John W. Tukey, Paul A. Tukey, and Mike Wish.
Sharon L. Weinberg is a consultant at AT&T Bell Laboratories, Murray Hill, New Jersey 07974. 相似文献
262.
N Harvey 《Cognition》1992,45(2):141-162
Subjects were presented with a scenario that described how a certain type of opinion poll can be manipulated by respondents to put one particular political party (the threatened party) at a disadvantage. In a first experiment, people supporting this party but pretending to oppose it were found to be as likely to say that they would manipulate the poll as people who actually opposed it. In a second experiment, the threat embodied in the scenario was made more direct. It was also more salient because the study was carried out at a time of heightened political awareness when supporters of the threatened party were genuinely concerned about its future. People supporting the threatened party but pretending to oppose it were now about half as likely to say that they would manipulate the poll as those who actually opposed it. Two explanations for this breakdown in the belief-desire reasoning subserving pretense are considered. 相似文献
263.
This article describes the development and evaluation of the Contraceptive Attributes Questionnaire (CAQ), a research instrument designed to assess the subjective importance of specific contraceptive attributes (Importance) and the perceived characteristics of specific contraceptives (Agreement). Three birth control methods are examined–the sponge, pill, and diaphragm. Factor analyses indicate that the four scales are multidimensional, and as subscales the factors have reasonable internal consistency reliability. The validity of the CAQ was established through comparisons of ratings of women who use different contraceptive methods. The women differed by user status on the ratings of the importance factors and on the ratings of the agreement factors for all three methods rated. 相似文献
264.
265.
266.
Nigel Harvey 《Attention, perception & psychophysics》1983,34(2):180-184
Subjects matched successively presented stimuli within and across modalities. In conditions in which they were informed of the modalities of the two stimuli, no differences in matching performance were obtained between the four types of match (visual-visual, auditory-auditory, visual-auditory, and auditory-visual). Thus, there appeared to be no difference between the modalities in ability to perceive or retain the particular stimuli used. In conditions in which subjects were informed of the modality of the first stimulus but only of the modality in which the second stimulus would appear on 80% of trials, there was again no significant difference between auditory-auditory and visual-visual matching. However, auditory-visual matching was much faster than visual-auditory matching when the second stimulus appeared in the unexpected modality. The results suggest that subjects prepare for both possible types of match when uncertain of the second stimulus modality and that the cross-modal asymmetry reflects the additional attentional load that this incurs. 相似文献
267.
Internal representation of visual texture as the basis for the judgment of similarity 总被引:1,自引:0,他引:1
L O Harvey M J Gervais 《Journal of experimental psychology. Human perception and performance》1981,7(4):741-753
The relationship between Fourier spectra of visual textures (represented both by the actual frequency components and by the response of four hypothetical channels selectively sensitive to spatial frequency) and the perceptual appearance of the textures was investigated. Thirty textures were synthesized by combining seven spatial frequencies whose amplitudes were randomly chosen and then scaled to give an overall contrast of .9. Similarity judgments were collected using both the method of triadic comparison (two subjects, 4,060 trials each) and the method of paired comparison (six subjects, 435 trials each). The similarity judgments were subjected to MDSCAL and INDSCAL dimensions were found to be optimally oriented in terms of spatial frequency information without rotation. The seven spatial frequency components accounted for 90.6% of the variance in the 3-D INDSCAL space, while the four channels accounted for 91.8% of the variance in the first two dimensions. The data further suggest that the four channels may interact in an opponent process manner. The results support the idea that the visual internal representation of stimuli is based on spatial frequency analysis rather than feature extraction. 相似文献
268.
Three experiments were conducted to examine the theoretical prediction that the intensity of sadness is determined not only by the instigating event but also by factors that impede or deter the function or purpose of sadness. In the first two experiments, participants were asked to read a story designed to induce sadness, and were then given a $1, $2, or $3 gift. In both, reported sadness was higher for persons receiving a $2 gift than for those receiving either a $1 or $3 gift. However, the increase in sadness from the $1 to $2 group failed to reach an acceptable level of significance. In the second experiment, as expected, a $1 gift produced less sadness than did the story by itself, and as in the first experiment, a $2 gift resulted in more sadness than either a $1 or $3 gift. The third experiment replicated the $1 and $2 conditions and obtained a highly reliable effect; sadness was greater among those who received the $2 gift. Measures of positive affect suggested that participants experienced either sadness or positive feelings, not both. 相似文献
269.
This study's purpose was to extend the distantresearch on gender roles. The specific objective was tobetter understand the gender role of male psychologists.It was hypothesized that male psychologists would exhibit an androgynous gender role.Gender role styles in professional work and in thepersonal realm were assessed. Questionnaire packets weremailed to 300 male clinical psychologists affiliated with the American Psychological Associationacross six regions within the United States. Sixty ofthe 61 participants reported being Caucasian and 1reported being Native American. Being that the sample was that of practicing psychologists, all withdoctorate degrees, the social class is presumed to be atleast upper middle class. The packets contained ademographics questionnaire and two Personal Attributes Questionnaires. Results suggest that malepsychologists do exhibit an androgynous gender role inboth professional and personal realms. A great deal ofthe prior literature indicates that androgynoustherapists have more adaptive communication skills and arebetter at assessing and treating their clients. Thisresult is therefore advantageous to therapeuticoutcomes. 相似文献
270.
Harvey Siegel 《Argumentation》1999,13(2):183-201
Central to argumentation theory is a concern with normativity. Argumentation theorists are concerned, among other things, with explaining why some arguments are good (or at least better than others) in the sense that a given argument provides reasons for embracing its conclusion which are such that a fair- minded appraisal of the argument yields the judgment that the conclusion ought to be accepted -- is worthy of acceptance -- by all who so appraise it.This conception of argument quality presupposes that the goodness of arguments is characterizable in terms of features of the argument itself. It makes no reference either to the attributes of the persons appraising the argument and judging its normative force, or to the context in which that appraisal is carried out. But recent work by a wide range of philosophers, argumentation theorists, and social theorists rejects such an abstract, impersonal notion of argument goodness. Instead, these theorists insist upon taking seriously, in the evaluation of arguments, the features of the evaluators themselves. In particular, such theorists emphasize the importance of cultural difference in argument appraisal. Often locating themselves under the banner of multiculturalism, they argue that the quality of an argument depends upon culturally-specific beliefs, values, and presuppositions; that an argument may be of high quality in one cultural context but of low quality in another. Consequently, they contend, no abstract, impersonal characterization of argument quality can succeed.In this paper I consider this multiculturalist approach to argument quality. I argue that while there is much merit in the general multiculturalist perspective, the multiculturalist argument against impersonal conceptions of argument quality fails. It fails for several reasons detailed below; most fundamentally, it fails because it itself presupposes just the kind of impersonal account of argument quality it seeks to reject. I call this presupposition that of transcultural normative reach. I identify this presupposition in the multiculturalist argument, and show how it undercuts the multiculturalist challenge to abstract, impersonal, transcultural conceptions of argument quality. I conclude with an evaluation of the strengths, and weaknesses, of the multiculturalist challenge to such conceptions of argument quality. 相似文献