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361.
In two experiments, introductory psychology students responded in two ways to three lists of 60 words printed in different colors. The lists consisted of color words and two sets of words associated with the colors (e.g., SKY, BLOOD, etc.). When the subjects responded by naming the color in which each word was printed, it took longer for the color word list than for either list of associates, i.e., the classical Stroop interference effect. The other response required the subjects to say words from one of the association lists which corresponded to the color in which each word was printed, e.g., they saw the word BLACK (or NIGHT, or COAL) printed inred ink, and had to respond by saying “blood.” Using this response, it took longest for the subjects to complete the list of words which were the same as those required as responses. Color words were somewhat less difficult, and the other association words were completed most quickly. The results do not pinpoint the locus of interference, but clarify additional assumptions which must be accepted to maintain alternative hypotheses. 相似文献
362.
Would a motion-picture film of a rotating spiral induce a spiral aftereffect? This question was studied in two experiments in which Ss viewed an animated film of circles collapsing to a point. The rate of apparent motion of the collapsing circles and the discontinuity of motion—the length of jump between successively projected circles—were varied independently. A visual aftereffect like the spiral aftereffect was created. The aftereffect increased in strength and duration with the rate of motion, but at all rates of motion it declined as discontinuity of motion increased. The results are taken as evidence that motion aftereffects are caused by selective fatigue of small, directionally sensitive motion-receptive fields. 相似文献
363.
E. A. Lunzer C. Harrison M. Davey 《Quarterly journal of experimental psychology (2006)》1972,24(3):326-339
Three experiments were designed to investigate the failure of intelligent adults to solve an apparently simple problem of formal reasoning devised by Wason. Both the mode of presentation and the type of material reduced the difficulty of the problem, while retaining its essential form. However, success on the original problem remained at a low level, even when subjects had attempted an easier version and had been given an explanation.
These results enable one to reject a “strong” formulation of Piaget's theory of formal reasoning. A “weaker” formulation is suggested as a basis for further research. 相似文献
These results enable one to reject a “strong” formulation of Piaget's theory of formal reasoning. A “weaker” formulation is suggested as a basis for further research. 相似文献
364.
365.
Acquisition of a sound localization discrimination by rats was investigated. Two loudspeakers were located outside an experimental enclosure containing two levers and a dipper feeder. In the same-side condition, responses on the lever nearest the sound-producing speaker were reinforced. Animals in this condition acquired the discrimination rapidly, generally within the first session. In the opposite-side condition, responses on the lever furthest from the sound-producing speaker were reinforced. Acquisition for animals in this condition began below the chance level (50% correct responses) and took on the order of 10 sessions to approach the final, high level. The course of acquisition in both cases appeared to depend upon an initial tendency of rats to respond on the lever nearest the source of sound in this situation. The rise-decay time of the 4-kHz tone burst signal clearly affected the performance level reached. It did not, however, affect the rate at which the discrimination was acquired. 相似文献
366.
Rapid control of responding by sound location is obtained in squirrel monkeys when sound stimuli are presented from one of two loudspeakers, each one adjacent to a response key. With this arrangement of loudspeakers and response keys, squirrel monkeys quickly learn to respond on the key near the source of the sound stimulus, and this pattern is the same whether or not responses near the sound source are differentially reinforcedmthis result may depend on a pre-experimental tendency in squirrel monkeys to orient head and eyes toward a sound, which would lead the animal to look at the response key in front of the loudspeaker producing the sound. The present experiment sought to determine whether visual stimuli are necessary for rapid control of responding by sound location. Two monkeys were trained in darkness in a sound-localization task similar to that described above. Results were similar to those obtained from animals trained in light, indicating that visual stimuli are not required for rapid acquisition of sound-localization behavior in monkeys. 相似文献
367.
C J Burlile M L Feldman C Craig J M Harrison 《Journal of the experimental analysis of behavior》1985,43(3):315-319
In auditory localization experiments, where the subject observes from a fixed position, both relative sound intensity and arrival time at the two ears determine the extent of localization performance. The present experiment investigated the role of binaural cues in a different context, the sound-position discrimination task, where the subject is free to move and interact with the sound source. The role of binaural cues was investigated in rats by producing an interaural imbalance through unilateral removal of the middle auditory ossicle (incus) prior to discrimination training. Discrete trial go-right/go-left sound-position discrimination of unilaterally incudectomised rats was then compared with that of normal rats and of rats with the incus of both sides removed. While bilateral incus removal affected binaural intensity and arrival times, the symmetry of sound input between the two ears was preserved. Percentage of correct responses and videotaped observations of sound approach and exploration showed that the unilateral rats failed to localize the sounding speaker. Rats with symmetrical binaural input (normal and bilaterally incudectomised rats) accurately discriminated sound position for the duration of the experiment. Previously reported monaural localization based upon following the intensity gradient to the sound source was not observed in the unilaterally incudectomised rats of the present experiment. It is concluded that sound-position discrimination depends upon the use of binaural cues. 相似文献
368.
Five experiments investigated the effects of semantically interpreting faces on their recognition. Experiment 1 demonstrated that faces could meaningfully be related to occupational categories. In Experiments 2–5, each of a set of faces was presented with either the label of a congruent occupational category or a noncongruent label. Presenting a face with a congruent occupational label was found to enhance recognition that the face had previously been seen (Experiments 2–4), but congruent labeling also impaired the detection of distractor faces that matched previously seen faces’ categories (Experiments 3 and 4). In a forced-choice recognition test, in which distractors were highly similar to originally seen faces, congruent occupational labeling failed to increase recognition of previously seen faces (Experiment 5). These results indicate that interpreting faces, with respect to stereotyped categories, ratherthan improving a physical codein memory, led to theformation of a semantic code, which increased recognition of old items at the expense of the detection of new items. Another general finding was that faces that were rated more stereotypical were more recognizable, regardless of the accompanying label. 相似文献
369.
Choice reaction times for short (Dit) and long (Dah) Morse key presses were measured using a number of different left hand/right hand Dit/Dah 2-response combinations. When Dit and Dah responses were made with the same hand, Dits were initiated significantly faster, which confirms the finding of Klapp et al. (1974). The absolute sizes of Dit and Dah CRT's, however, varied significantly from one test situation to another; and the Dit:Dah difference was shown to be intransitive. Such context effects cast doubt on the extrapolative power of CRT findings, and on the usefulness of CRT as a measure of movement complexity. Latencies were reduced when subjects knew in advance which hand would be used; but the usefulness of response duration pre-knowledge was not unambiguously demonstrated. Preparation of responses is, therefore, not precluded by CRT testing; and possible explanations for these savings in terms of response selection and motor preprogramming were discussed. On balance, the hypothesis that the longer reaction times of Dah responses are due to their greater movement complexity (Klapp et al. 1974) was rejected, in favour of the explanation that subjects adopt a strategy of preferentially preparing Dit responses. 相似文献
370.
Perception of geometric forms and optical illusions in French and American children. — A 30-item series of perceptual problems involving geometric forms and optical illusions was administered to 357 French and 732 American children, ages 8 through 16 years. A developmental gradient was observed in both samples: performance correlated +.33 with age in the French sample and +.22 in the American. Age-by-age comparison of means gave approximately identical results, except at age 12 where the French children scored significantly higher. Prior research has shown the perceptual series to be uncorrelated with verbal and linguistic ability, but significantly related to performance on tasks (such as the embedded figures test) which reflect analytic capacity. These findings, plus the cross-national stability of age norms and developmental gradients found here, suggest that the series may have value as a research tool for cross-cultural study of interpersonal effectiveness and analytic aptitude. 相似文献