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61.
62.
Maggie E. Toplak Ashley Pitch David B. Flora Linda Iwenofu Karen Ghelani Umesh Jain Rosemary Tannock 《Journal of abnormal child psychology》2009,37(8):1137-1150
To examine the unity and diversity of inattention and hyperactivity/impulsivity symptom domains of Attention-Deficit/Hyperactivity
Disorder (ADHD) in a clinical sample of adolescents with ADHD. Parents and adolescents were administered a semi-structured
diagnostic interview, the Schedule for Affective Disorders and Schizophrenia for School-Age Children — Present and Lifetime
Version (K-SADS-PL), to assess adolescent ADHD. Data from 201 parent interviews and 189 adolescent interviews were examined.
Four potential factor structures for the 18 ADHD symptoms were tested using confirmatory factor analysis: two models with
correlated factors and two bifactor models. A bifactor model with two specific factors best accounted for adolescent symptoms,
according to both parent and adolescents’ reports. Replication of these findings from behavioral rating scales completed for
this sample by parents and teachers indicates that the findings are not method– or informant-specific. The results suggest
that there is an important unitary component to ADHD symptoms and separable dimensional traits of Inattention and Hyperactivity/Impulsivity. 相似文献
63.
Leslie Maggie Perrin Mcpherson Valter Ciocca Albert S. Bregman 《Attention, perception & psychophysics》1994,55(3):269-278
In audition, sound energy is assigned to separate auditory “streams” following principles of organization that closely parallel the visual gestalt principles that guide the perception of distinct forms or objects. Metzger (1934) provided evidence for organization in vision based on similarity in the velocity of moving forms. If two dots approach one another along one spatial dimension, they may appear to cross and continue beyond their meeting point if their velocities differ; otherwise, they usually appear to change direction abruptly and retrace their movements. If an analogous auditory principle exists, with rate of change in frequency substituted for velocity of movement, two frequency glides that sweep through the same frequency range in opposite directions should be able to perceptually cross if their rates of change differ; otherwise, they should usually appear to change direction and retrace the same frequency region. Four experiments provided data in support of this hypothesis, and the results were consistent across experiments with varying stimuli and methods of presentation. When properties of the stimuli favored organization according to a principle of frequency proximity, the effect of a principle of rate similarity was attenuated but still evident. 相似文献
64.
Sophie Freud Loewenstein Natalie Ebin Bloch Jennifer Campion Jane Sproule Epstein Peggy Gale Maggie Salvatore 《Sex roles》1981,7(11):1127-1141
Sixty single women 35 to 65 years old, previously married or never married, were interviewed about the satisfactions and stresses of the single status. Respondents were categorized as having high, medium, or low life satisfaction. Life satisfaction was found to be significantly correlated to such factors as good health, not being lonely, living with a female housemate, having many casual friends, and being invested in work. Half the women mentioned having sexual needs, which were or were not fulfilled. The other half stated that they did not have sexual needs. These two groups did not differ in life satisfaction. Regrets about not having had children occurred in one-quarter of the childless women, without necessarily implying low life satisfaction. Only 15% of the entire sample had low life satisfaction, a percentage similar to that found in the general population.The authors wish to express sincere appreciation to George Loewenstein for his aid with the computer analysis of the data. 相似文献
65.
Psychophysical and neurophysiological studies suggest that human body motions can be readily recognized. Human bodies are highly articulated and can move in a nonrigid manner. As a result, we perceive highly dissimilar views of the human form in motion. How does the visual system integrate multiple views of a human body in motion so that we can perceive human movement as a continuous event? The results of a set of priming experiments suggest that motion can readily facilitate the linkage of different views of a moving human. Positive priming was found for novel views of a human body that fell within the path of human movement. However, no priming was observed for novel views outside the path of motion. Furthermore, priming was restricted to those views that satisfied the biomechanical constraints of human movement. These results suggest that visual representation of human movement may be based upon the movement limitations of the human body and may reflect a dynamic interaction of motion and object-recognition processes. 相似文献
66.
Maggie Robson 《Counselling psychology quarterly》1999,12(3):217-231
This paper examines how children may perceive events as stressful, and identifies some of the elements which may contribute to this perception, The proposition that this perception is dependant on individual phenomenology will be investigated. Various models that attempt to explain this phenomena will be presented and a synthesized paradigm offered. 相似文献
67.
Depth rotations can reveal new object parts and result in poor recognition of "static" objects (Biederman & Gerhardstein, 1993). Recent studies have suggested that multiple object views can be associated through temporal contiguity and similarity (Edelman & Weinshall, 1991; Lawson, Humphreys & Watson, 1994; Wallis, 1996). Motion may also play an important role in object recognition since observers recognize novel views of objects rotating in the picture plane more readily than novel views of statically re-oriented objects (Kourtzi & Shiffrar, 1997). The series of experiments presented here investigated how different views of a depth-rotated object might be linked together even when these views do not share the same parts. The results suggest that depth rotated object views can be linked more readily with motion than with temporal sequence alone to yield priming of novel views of 3D objects that fall in between "known" views. Motion can also enhance path specific view linkage when visible object parts differ across views. Such results suggest that object representations depend on motion processes. 相似文献
68.
Twenty-four to 26 years after their high school graduation, subjects matched 40 photographs of former classmates taken from the high school yearbook with 40 current photographs of these same former classmates. Compared with age-matched control subjects who had no prior familiarity with the persons depicted in the photographs, the former classmates were superior at matching the old and new photographs. Generally, same-orientation photographs (i.e., old and new photographs taken from the same side) were matched more accurately than different-orientation photographs. Prior familiarity, however, rendered the orientation factor unimportant. These findings are discussed in terms of the processes that underlie facial recognition over very long intervals and in terms of their psycholegal implications. 相似文献
69.
Jacobs A Shiffrar M 《Journal of experimental psychology. Human perception and performance》2005,31(1):157-169
People frequently analyze the actions of other people for the purpose of action coordination. To understand whether such self-relative action perception differs from other-relative action perception, the authors had observers either compare their own walking speed with that of a point-light walker or compare the walking speeds of 2 point-light walkers. In Experiment 1, observers walked, bicycled, or stood while performing a gait-speed discrimination task. Walking observers demonstrated the poorest sensitivity to walking speed, suggesting that perception and performance of the same action alters visual-motion processes. Experiments 2-6 demonstrated that the processes used during self-relative and other-relative action perception differ significantly in their dependence on observers' previous motor experience, current motor effort, and potential for action coordination. These results suggest that the visual analysis of human motion during traditional laboratory studies can differ substantially from the visual analysis of human movement under more realistic conditions. 相似文献
70.
This article describes some of the recent major theoretical frameworks underpinning the study of stress in adolescents and assesses their usefulness to teachers and counsellors in establishing a rationale for school-based intervention. It is argued that for a model to be acceptable in this context, it must allow for the complexities and flexibility of individual behavior. It is further argued that the model described by Lazarus & Folkman (1984) fulfills both these conditions as it incorporates the psychoanalytic along with the cognitive and is also dynamic and phenomenological. Also, one of the premises upon which Lazarus and Folkman build needs further exploration. This premise is that individual's ‘appraisals generally correlate with reality’. 相似文献