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121.
The residual variance (one minus the squared multiple correlation) is often used as an approximation to the uniqueness in factor analysis. An upper bound approximation to the residual variance is given for the case when the correlation matrix is singular. The approximation is computationally simpler than the exact solution, especially since it can be applied routinely without prior knowledge as to the singularity or nonsingularity of the correlation matrix. 相似文献
122.
123.
Carolyn M. Tucker Judith E. Horowitz 《Journal of psychopathology and behavioral assessment》1981,3(4):243-252
The present study sought to assess important factors in marital adjustment and their interrelatedness. The explored factors were (a) sexual satisfaction and adjustment, (b) verbal and nonverbal communication, and (c) several demographic variables (e.g., age and number of years married). Marital adjustment was found to be significantly related to verbal and nonverbal communication, but not to sexual satisfaction and adjustment. Demographic variables were not found to be related to marital adjustment, but some were significant predictors of verbal and nonverbal communication and sexual satisfaction and adjustment. The implications of these findings for assessment and intervention in marital and sexual counseling and for future research are discussed. 相似文献
124.
Alcohol consumption as a self-handicapping strategy in women 总被引:1,自引:0,他引:1
125.
Two experiments were conducted with six severely multihandicapped students with hearing impairments to: (a) train the six students to put on their own hearing aids independently, and (b) provide an empirical evaluation of a comprehensive instructional program for putting on a hearing aid by assessing acquisition, maintenance, and generalization of that skill across environments. All six students acquired the skill rapidly, with two students requiring remedial training on one step of the program. Because for two of the original three students the newly learned skill failed initially to generalize to other environments, a second experiment was initiated to assess generalization across environments as well as to replicate the efficiency of the acquisition program. When a variation of the multiple-probe baseline technique was used, the behavior of three additional students generalized to other settings without direct training in those settings. 相似文献
126.
Despite considerable research demonstrating associations of conscientiousness and neuroticism with health-related behavior, our understanding of how and why these traits are related to lifestyle is limited. This study examined the social regulation of health behavior in a probability sample of 509 household residents who completed a Random Digit Dial (RDD) telephone survey. Results suggest that the social regulation of health behavior experienced by highly conscientious individuals has more to do with their own internalized notions of responsibility and obligation to others than to specific actions by others aimed at influencing their health habits. In contrast, individuals with higher neuroticism experience more overt attempts by others to influence their health habits but have more negative affective and behavioral responses to these social influence attempts. Findings suggest that elucidating the distinct social influence processes that operate for conscientiousness and neuroticism may further understanding of how these traits are related to health behaviors and status. 相似文献
127.
Previous studies of the navigational abilities of nonhuman primates have largely been limited to what could be described by
a human observer with a pen and paper. Consequently, we have developed a system that uses a pair of cameras to automatically
obtain the three-dimensional trajectory of rhesus monkeys performing an outdoor spatial navigation and memory task. The system
provides trajectories, path length, speed, and other variables that would be impossible for an unaided observer to note. From
trajectory data, we computed and validated a path-length measurement. We use this measurement to compare the navigation abilities
of several animals. In addition, we provide quantitative data on the accuracy of a method for automatic behavior detection.
Currently, the system is being used to examine the sex differences in spatial navigation of rhesus monkeys. We expect that
measures derived from the trajectory data will reveal strategies used by animals to solve spatial problems. 相似文献
128.
Peter Suedfeld Silvan S. Tomkins William H. Tucker 《Attention, perception & psychophysics》1969,6(1):45-46
Tests of visual information processing and verbal information processing were administered to 178 Ss. Intercorrelations showed low positive relationships between two sets of two cognitive measures each, the Sentence Completion Test (Schroder, Driver, & Streufert, 1967) and the Interpersonal Topical Inventory (Tuckman, 1965), and the Interpersonal Topical Inventory and the Polarity Scale (1965), and a high negative correlation between preference for highly complex and for moderately complex visual stimuli. Factor analysis showed three reliable major factors. There was little evidence for a relationship between perceptual and cognitive processing characteristics, which indicates some danger for general theorists. 相似文献
129.
Ledyard R. Tucker 《Psychometrika》1944,9(3):149-153
A procedure is presented for determining the successive principal components of a correlation matrix where it is not necessary to compute the successive tables of residual correlations. The original correlation matrix is bordered with a new row and column for each principal component that is determined.This paper is one of a series of reports on the development of multiple factor analysis in the study of primary human abilities which have been supported by research grants from the Carnegie Corporation of New York and the facilities of the Psychometric Laboratory, which have been provided by the Social Science Research Committee of The University of Chicago. 相似文献
130.
Ledyard R. Tucker 《Psychometrika》1944,9(1):43-68
A factorial rotational method is presented which represents a compromise between the use of subjective judgment characteristic of graphical methods and the routine application of analytical methods. At present the analytical methods seem to be inadequate for the discovery of a simple structure, while graphical methods require more subjective judgment. The method herein presented locates the axes for subgroups of tests by an analytical method. The judgments used in the selection of subgroups are based on graphic data concerning interrelation of the factors. 相似文献