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31.
32.
Howard L. Kaplan Neil A. Macmillan C. Douglas Creelman 《Behavior research methods》1978,10(6):796-813
Signal detection theory (SDT) allows a bias-free measure of sensitivity, d′, to be simply estimated from discrimination data when certain conditions are met. The computation is not straightforward, however, in several popular discrimination designs, such as two- and four-interval same-different designs and the ABX design. The present tables, derived from the SDT models of Macmillan, Kaplan, and Creelman (1977), make possible the estimation of d’ from these complex discrimination designs. 相似文献
33.
Beauty Is Only "Name" Deep: The Effect of First-Name On Ratings of Physical Attraction 总被引:1,自引:0,他引:1
S. Gary Garwood Lewis Cox Valerie Kaplan Neal Wasserman Jefferson L. Sulzer 《Journal of applied social psychology》1980,10(5):431-435
College students ( n = 197) voted to select a beauty queen from among six photographs equivalent in physical attractiveness, as determined by rankings of 35 students from a separate university. Half the photographs bore a desirable first-name and half were assigned an undesirable first-name. As predicted, firstname had a significant effect on physical attraction: Girls with desirable firstnames received 158 votes to 39 for those with undesirable names. These data were discussed in terms of an additive, rather than an interactive, effect, due to the nature of the task. The strength of these findings was related to the study's ecological validity. 相似文献
34.
James R. Sawusch Howard C. Nusbaum Eileen C. Schwab 《Attention, perception & psychophysics》1980,27(5):421-434
Recent experiments have indicated that contrast effects can be obtained with vowels by anchoring a test series with one of the endpoint vowels. These contextual effects cannot be attributed to feature detector fatigue or to the induction of an overt response bias. In the present studies, anchored ABX discrimination functions and signal detection analyses of identification data (before and after anchoring) for an [i]-[I] vowel series were used to demonstrate that [i] and [I] anchoring produce contrast effects by affecting different perceptual mechanisms. The effects of [i] anchoring were to increase within-[i] category sensitivity, while [I] anchoring shifted criterion placements. When vowels were placed in CVC syllables to reduce available auditory memory, there was a significant decrease in the size of the [I]-anchor contrast effects. The magnitude of the [i]-anchor effect was unaffected by the reduction in vowel information available in auditory memory. These results suggest that [i] and [I] anchors affect mechanisms at different levels of processing. The [i] anchoring results may reflect normalization processes in speech perception that operate at an early level of perceptual processing, while the [I] anchoring results represent changes in response criterion mediated by auditory memory for vowel information. 相似文献
35.
Howard L. Kaplan 《Behavior research methods》1981,13(2):283-289
To obtain different sequences of values from a random number generating algorithm, we must start with different seed values or discard a variable number of initial samples. For maximum independence among sequences, differences must include the lowest order seed bits, and some generators require one to wait many samples for differences to propagate to the significant bits. While it is straightforward to generate two statistically independent sequences, it is surprisingly difficult to generate three or more such sequences. 相似文献
36.
Three linguists reliably judged the accentedness of 32 Mexican-Americans and four Anglo male readers using a 7-point Preliminary Accentedness Scale. Next, the judges provided reliable assessments of the relative frequency of 18 types of accented pronunciation for nine of the speakers. An Accentedness Index was developed by averaging the relative frequencies over the 18 pronunciations. Accentedness measures produced by the linguists for the nine test speakers were compared with ratings of status, solidarity, and accent given by naive raters in another experiment (Brennan and Brennan, 1978). The Accentedness Index was a significant predictor of the Preliminary Accentedness Scale, of accentedness assessments by the naive listeners, and of status judgments. Pronunciation types were significant predictors both of accent and of status. Results are discussed in terms of validation of the concept of accentedness. Future use of accentedness measures to investigate spontaneous speech and attitudes of listeners toward their own speech is suggested.The present investigation is based upon data collected by the first author for her doctoral dissertation at the university of Notre Dame, and was partially supported by a grant from the National Institutes of Health under Grant NICHD-06921. A preliminary version of this paper was presented at the Linguistic Attitudes Session of the Ninth World Congress of Sociology, Uppsala, Sweden, in August 1978. 相似文献
37.
Eileen B. Fennell Paul Satz Robin Morris 《Journal of experimental child psychology》1983,35(2):248-262
To assess the development of dichotic ear asymmetries and handedness, 208 male school children were evaluated in kindergarten and at Grades 2 and 5 (ages 66, 92, and 130 months of age, respectively) with a dichotic listening task and a hand preference test. The Wide Range Achievement Test (WRAT) also was administered at each of the three grade levels. There was significant variability in handedness scores over time only for those subjects whose scores at initial testing, that is, in kindergarten, identified them as non-right-handers. Both right and left handers had a significant increase in dichotic listening scores over time; however, only right handers had a significant right ear advantage at each evaluation. Regression analyses showed that combined hand preference scores and ear recall scores at each probe when combined accounted for almost 44% of the variance in WRAT achievement scores at Grade 5. Ear asymmetry scores, however, were not predictive of school achievement. 相似文献
38.
Howard L. Kaplan 《Behavior research methods》1983,15(2):228-241
The Fourier transform partitions the energy in a waveform into the sum of the energies of simpler components. This process is the same as the partitioning of variance into linear contrasts and is a way of measuring the correlation between the waveform and each member of a family of prototype model waveforms. Such a partitioning will often, but not always, result in a meaningful decomposition of the original waveform. 相似文献
39.
Is our understanding of how individuals adjust to stressful life events increased when we analyze their adjustment in ways that recognize that these individuals are also married couples? The data used to answer this question came from a unique “natural experiment” occasioned by the forced evacuation of the Israeli settlement of Ophira under the terms of the Camp David Accords. We found that the adjustment of individuals within couples became more similar across the relocation, that is, couples adapted as a “family system.” This occurred because the coping skills of one member of the couple “drove” the adjustment of both partners. 相似文献
40.
Gender differences in health-related quality of life 总被引:1,自引:0,他引:1
In 1986 the life expectancy at birth was 71.3 years for males and 78.3 years for females--providing a 7-year advantage for women. Although women live longer, it has been reported that they paradoxically experience more physical and psychological illnesses. In this article, we estimate the expected well-years or quality-adjusted life years for men and women in the general population. The data were obtained in a random sample of 1,034 residents of San Diego. The well-life expectancy uses standard life expectancies with adjustments for quality of life. The well-life expectancy for men was 59.8 years; for women, it was 62.7 years. Thus, the quality adjustment had significantly more impact on women (15.6 years) than on men (11.5 years). Age-specific estimates of health-related quality of life suggested a male advantage before age 45 and a female advantage after age 45. The benefits of well-years of life as a public health statistic are discussed. 相似文献