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181.
This article reports on the development of a Likert-type scale measuring attitudes toward egalitarian-traditional sex roles. A total of 484 undergraduates participated in six phases of the study. An item analysis study yielded 20 items with part-whole correlations <.48. The corrected split-half reliability coefficient is .91 (p.001). Five other phases of research show promising concurrent and construct validity. In particular, traditional attitudes are related to rigidity as measured by authoritarian, religious, same-sex touching, rape acceptance, divorce, and conservative attitudes. Overall, a varimax rotated factor analysis revealed one major factor accounting for 84.6% of the variance. Further, females were shown to have higher levels of egalitarian attitudes as compared to males. 相似文献
182.
183.
Gerald M. Long Barbara Sakitt 《Quarterly journal of experimental psychology (2006)》1980,32(2):269-285
Observers' accuracy in detecting a narrow spatial gap between two brief, luminous rectangles presented successively was determined within a two-alternative, forced-choice procedure. This successive-field task requires iconic memory, because the information (rectangle position) in the two presentations must be combined for successful gap detection. On this task, the effect of varying the duration of the first rectangle was systematically investigated over several target luminance levels and for several ISI conditions between rectangles. At the long ISI conditions (100 and 300 ms), the effects of increasing stimulus duration was to improve performance. However, at the brief ISI condition (20 ms), increasing stimulus duration initially depressed task performance. It was found that, with practice, this initial performance drop largely disappeared, and the beneficial influence of increasing target duration was again obtained. These results are discussed in terms of (a) a proposed retinal locus for the iconic memory involved and (b), at a more general level, the potentially distracting role of changing stimulus dimensions on a task employing transient stimuli as in the present study. 相似文献
184.
185.
Spare the rod and spoil the icon 总被引:1,自引:0,他引:1
B Sakitt G M Long 《Journal of experimental psychology. Human perception and performance》1979,5(1):19-30
Short-term visual storage was investigated with a successive field paradigm, so that correct performance depended upon combining visual information from two targets that were never on simultaneously. In the first two experiments, the stimuli consisted of two slides, each containing a 10' red dot on a gray surround, and separated by an interstimulus interval (ISI) from 20 to 400 msec. Subjects had to determine if the dots were vertically or horizontally aligned. In Experiment 1, the stimuli had either no contrast for the rods or no luminance contrast for the cones or high contrast. At short ISIs the cone contrast determined performance, whereas at long ISIs the rod contrast determined performance. In fact, when the dots were invisible to the rods, the task was impossible for long ISIs. In Experiment 2, performance was compared for zero log rod contrast and for small departures from zero. Even a small departure from zero log rod contrast resulted in above-chance performance. In Experiment 3, the stimuli were luminous rectangles and the task was to decide whether or not a 4' spatial gap was present between the two successively presented rectangles. Wavelength, luminance, and ISI were varied under both photopic and scotopic adapting conditions. The result was that the rods performed the task for ISIs of 150 msec or longer under scotopic conditions and under the photopic conditions that we were able to test. The results of the experiments taken together are consistent with the hypothesis that the cone icon is short, whereas the rod icon is robust and long lasting. 相似文献
186.
自我职业选择测验(SDS)的试用报告 总被引:14,自引:0,他引:14
本研究对自我职业选择测验 (SDS) 1 985年版进行了修订 ,并在武汉市中学生中进行了适用性的验证。在原测验中译本基础上 ,进行了项目修改、项目分析、信效度检验等标准化工作。结果表明 :①该测验具有良好的项目特性 ;②该测验同质性信度、分半信度均达到一般心理测验要求标准 ;③该测验结构效度与效标关联效度亦较为理想 ;④个别项目仍有待于进一步修改 ,取样还应面向全国 ,以利于进一步的推广作用。在武汉市中学生中的试用结果表明 :①该测验可以作为中学生职业辅导的选用工具 ;②在该测验中使用标准分代替粗分更具科学性。 相似文献
187.
Long DL Wilson J Hurley R Prat CS 《Journal of experimental psychology. Learning, memory, and cognition》2006,32(4):816-827
Readers construct at least 2 interrelated mental representations when they comprehend a text: a textbase and a situation model. Two experiments were conducted with recognition memory to examine how domain knowledge and text coherence influence readers' textbase and situation-model representations. In Experiment 1, participants made remember-know judgments to text ideas. Knowledge and coherence interacted to influence remember judgments differently than know judgments. In Experiment 2, the authors used the process-dissociation procedure to obtain recollection and familiarity estimates. Knowledge and coherence interacted to influence recollection estimates but not familiarity estimates. The authors claim that recollection and familiarity can be used as markers of the different processes involved in constructing a textbase and a situation model. 相似文献
188.
Functional communication training (FCT) is a widely used treatment for individuals with developmental disabilities who exhibit severe behavior problems. One inherent challenge of employing FCT as a treatment in the community is that reinforcement for appropriate communication cannot always be immediate or even possible in some circumstances. Of the few studies that have incorporated some form of schedule thinning for communication, most have reported disruption of communication or increases in problem behavior when the schedule of reinforcement is thinned. In the current study, we compared FCT with extinction to FCT with extinction and access to competing stimuli. After conducting a functional analysis, a competing stimulus assessment was performed to identify stimuli that produce reinforcement that ostensibly competes with reinforcement that maintains problem behavior. It was hypothesized that FCT with competing stimuli would result in more stable reductions in problem behavior during schedule thinning, which would ultimately result in quicker achievement of the treatment goal (low levels of problem behavior under the terminal reinforcement schedule for communication) than FCT without competing stimuli. Results confirmed this hypothesis. 相似文献
189.
Readers construct at least two interrelated representations when they comprehend a text: (a) a representation of the explicit ideas in a text and the relations among them (i.e., a propositional representation) and (b) a representation of the context or situation to which a text refers (i.e., a discourse model). In a recent study, found evidence that readers' representations were structured according to propositional relations, but only in the left hemisphere. Both hemispheres, however, appeared to represent contextually relevant semantic information. The goal in the current study was to examine further the organization of explicit text concepts in the two hemispheres. We used an item-priming-in-recognition paradigm in combination with a lateralized visual-field manipulation. We found evidence for a propositionally structured representation in the left hemisphere, that is, priming effects that reflected the linear distance between primes and targets in the propositional structure of passages. We also found that the right hemisphere represented explicit text concepts, but we found no evidence that these concepts were organized structurally. In a second experiment, we found our item priming effects reflected the representation of text information in memory and did not reflect lexical-semantic priming at test. 相似文献
190.
William R. Sewell Charles J. Long James F. McCoy Lynn W. Leeming Mark E. Dulle Memphis State 《Behavior research methods》1969,1(7):253-255
The use of carbon dioxide (CO2) as a quick-acting anesthetic of short duration was studied. Sixteen rats were exposed to a CO2 atmosphere for 10 and15 sec on separate days. Records were taken of the time required for the administration of intramuscular and gavage injections as well as recovery of motor functions. Recovery following both exposure times was less than 2 min Data are presented that show that there are no prograde effects of CO2: exposure on subsequent variable-interval (VI-15 sec) behavior. 相似文献