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1.
Laurent Siklóssy 《Behavior research methods》1979,11(2):225-228
Some of the advantages of LISP and some of its unsavory reputation are discussed. Some LISP programs in a variety of areas (chemistry, medicine, question answering, natural language, mathematics, airline tariffs, etc.) are briefly described. 相似文献
2.
V Di Lollo P Dixon 《Journal of experimental psychology. Human perception and performance》1988,14(4):671-681
Iconic memory, which was initially regarded as a unitary phenomenon, has since been subdivided into several components. In the present work we examined the joint effects of two such components (visible persistence and the visual analog representation) on performance in a partial report task. The display consisted of 15 alphabetic characters arranged around the perimeter of an imaginary circle on the face of an oscilloscope. The observer named the character singled out by a bar-probe. Two factors were varied: exposure duration of the array (10, 50, 100, 150, 200, 300, 400 or 500 ms) and duration of blank period (interstimulus interval, ISI) between the termination of the array and the onset of the probe (0, 50, 100, 150, or 200 ms). Performance was progressively impaired as both exposure duration and ISI were increased. The results were explained in terms of a probabilistic combinatorial model in which the timecourses of visible persistence and of the visual analog representation are regarded as time-locked to the onset and to the end of stimulation, respectively. The impairing effect of exposure duration was attributed to the relatively high spatial demands of the task that could be met optimally by information in visible persistence (which declines as a function of exposure duration), but less adequately by information in the visual analog representation. A second experiment, employing a task with lesser spatial demands, confirmed this interpretation. 相似文献
3.
4.
Gordon W. Russell Sherry L. Di Lullo Dany Di Lullo 《Current psychology (New Brunswick, N.J.)》1988,7(4):312-321
Males were randomly assigned to view either (1) a film clip featuring hockey fights or (2) a film of nonaggressive hockey
action or (3) a no-film control condition after having first been angered or treated politely by an experimental confederate.
The dependent variable was represented by a measure of aggressive mood and a behavioral measure of retaliatory aggression.
Analyses revealed that both angered and nonangered subjects exhibited an increase in aggressive mood following exposure to
the fight film. However, the analysis involving retaliatory aggression against the confederate yielded an anger x film interaction.
While angered subjects were more aggressive than nonangered, only angered subjects retaliated against the confederate after
viewing the fight film. The results were discussed in terms of Berkowitz’s (1974) aggressive cue theory.
A version of this paper was presented at the meeting of the North American Society for the Sociology of Sport, Edmonton, Canada,
November 1987. 相似文献
5.
The classical visual latency explanation of the Pulfrich phenomenon is generalized to allow for the possibility that the visual system uses velocity information from motion detectors to compensate for spatial lag due to time lag, in identifying the instantaneous position of a moving object. The results of the reported experiment verify one consequence of the generalized version: the elliptical apparent path is skewed away from the filtered eye. The results suggest also that the extrapolation factor increases with visual latency and that there is a different extrapolation factor for each eye when the eyes are illuminated unequally. 相似文献
6.
Patient variable biases in clinical judgment: conceptual overview and methodological considerations 总被引:1,自引:0,他引:1
S R López 《Psychological bulletin》1989,106(2):184-203
Specific conceptual factors are presented as having contributed to the negative findings of past psychotherapy bias research. Among these factors are the restrictive nature of both the definition of bias and the model of the biased clinician. A review of published studies of several patient variable biases (e.g., gender, race/ethnicity, and age) indicated that bias may best be defined in broader terms and that its occurrence may be more circumscribed than originally conceived. In addition, the lack of a theoretical perspective in this area of research is noted and the applicability of some social cognitive processes is discussed. Methodological factors are also considered, and recommendations for future research are offered. 相似文献
7.
Dr. Juan C. Saavedra-Aguilar M.D. Lic. Juan S. Gómez-Jeria Lic.Q. 《Journal of Near-Death Studies》1989,7(4):265-272
This work has received financial support from FONDECYT (Project 1111-88). The authors also acknowledge the helpful comments of Dr. Bruce Cassels. 相似文献
8.
Phillip L. Emerson 《Behavior research methods》1989,21(3):353-368
In this paper, digital filters are described for concurrent adaptive estimation of the spectral powers at several target frequencies. Least-squares estimation is used, with a tapered weight function that discounts time-series data according to age. Frequency selectivity and reliability of spectral estimates are controlled by different parameters. The spectral windows are closely approximated by Student’st distribution, which is useful in the planning of experiments. 相似文献
9.
Phillip L. Emerson 《Behavior research methods》1985,17(4):469-473
A method of constructing digital filters is outlined and illustrated in an application for research uses of EEG feedback. The method is based on least squares estimation with geometric weighting. Old data in the time series are discounted according to age, as new data arrive. Recurrence relations are used, allowing the computations to be performed in real time. A FORTRAN digital filter is formulated that simultaneously estimates (1) the spectral power in a band centered at a target frequency, (2) the total spectral power, and (3) the dominant frequency. 相似文献
10.