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41.
Tachistoscopic presentation of stimuli on IBM PC-compatible computers is limited by a number of factors, including video retrace rates, screen scrolling, and the shape and density of picture elements. A method is presented for overcoming these difficulties through the use of enhanced graphic adapters or video graphic arrays. A C-language program demonstrates (1) synchronous scroll-free displays achieved by writing alternating images to “hidden” pages of video memory, (2) alternative techniques for erasing images, and (3) use of an empirically derived aspect ratio to produce symmetrical figures. 相似文献
42.
Jan Loney Carl E. Paternite Joseph E. Schwartz Mary Ann Roberts 《Journal of abnormal child psychology》1997,25(6):499-509
The question asked in this study of 70 clinically referred 6- to 12-year-old boys with behavior problems was whether or not childhood inattention-overactivity and aggression are transmitted specifically from biological fathers to sons. Fathers' self-reported childhood inattention-overactivity on a retrospectively valid measure was exclusively associated with parents' ratings of their sons' current attention problems on the Mothers' Operational Measure for Sub-grouping (MOMS), the Revised Child Behavior Checklist (RCBCL), and an approximated DSM-IV inattention dimension. Fathers' self-reported childhood aggression was not associated with ratings of their sons' aggression on the MOMS or DADS (a parallel instrument for fathers), nor on DSM-III oppositional or conduct disorder dimensions, but it was exclusively associated with RCBCL ratings of sons' aggressive and delinquent behavior. None of the nonspecific correlations (father inattention-overactivity with son aggression or father aggression with son inattention-overactivity) was significant. 相似文献
43.
The American Journal of Psychoanalysis - 相似文献
44.
Occupational Safety: Progress in Understanding the Basic Aspects of Safe and Unsafe Behaviour 总被引:1,自引:0,他引:1
Carl Graf Hoyos 《Psychologie appliquee》1995,44(3):233-250
45.
Carl Latkin Wallace Mandell David Vlahov Maria Oziemkowska Amy Knowlton David Celentano 《American journal of community psychology》1994,22(3):415-430
Information is sparse on the social context of illicit drug injection behaviors and their relationship to HIV infection. This
study examined relationships between injection settings, injecting with others, and HIV risk behaviors of sharing needles
and not cleaning contaminated needles in a sample of 630 inner-city injecting drug users in Baltimore, MD. Through open-ended
interviews, five primary settings of injection behavior were identified. These settings included one's own, friends' and mother's
residence, shooting galleries, and semipublic areas. Most participants reported injecting in their own residence (92%) and
friends' residence (86%) in the prior 6 months. In a multiple regression analysis, injecting at friends' residence, in shooting
galleries, and in semipublic areas and frequency of injecting with others were significantly associated with frequency of
sharing uncleaned needles, “slipping” (i.e., failure to disinfect shared needles), and not always cleaning used needles before
injecting. Results suggest that interventions may benefit from targeting settings as well as behaviors to reduce the spread
of HIV.
This research was supported by grants DA04334, DA05911, DA06313, and DA08985 from the National Institute on Drug Abuse. 相似文献
46.
Summary This study investigated the relation between psychometric mental-ability test scores and several reaction-time measures; a simple-reaction task, a choice-reaction task, the Posner and Mitchell (1967) letter-identification task, and a variation of the sentence-verification task. Scores on the Raven Advanced Progressive Matrices and the Verbal Subtest of the Scholastic Aptitude Test (SATV) were obtained. The less complex information-processing tasks replicate earlier studies in which general intelligence was only marginally related to reaction-time measures. The sentence-verification task systematically varied task complexity. Several direct and derived measures from the task were significantly correlated with psychometric mentalability measures. However, even though a number of precautions were taken to ensure that the sentence-verification task assessed purely verbal-processing efficiency, there was little evidence for an important task-specific relation between verification measures and verbal ability. Moreover, despite its relative verbal complexity, sentence verification did not reflect a greater relationship to verbal ability than other tasks did. Overall, the information-processing efficiency measures used in this study suggested a fairly general, rather than a task-specific, relationship to intellectual ability.The research presented in this paper was conducted while the first author was affiliated with the University of Georgia, U. S. A. 相似文献
47.
48.
Thomas W. Miller Ph.D. ABPP Carl G. Leukefeld D.S.W. Barbara Jefferson Ph.D. 《Journal of Contemporary Psychotherapy》1996,26(1):73-82
Co-morbidity of alcohol and substance with the spectrum of other psychiatric diagnoses is examined with specific emphasis
on diagnostic indicators for anxiety and mood disorders. Diagnostic issues for the chemically dependent person are examined
with the context of borderline personality disorder, schizophrenia and other psychiatric disorders. Clinical research related
to the dually-diagnosed patient is explored 相似文献
49.
Intervening effectively with youths at risk from early deprivation, family dysfunction, poverty, abuse, and other factors is a major concern for educational and social service policymakers. Current research suggests that a majority of at-risk youths do not experience drastic outcomes, but many exhibit protective factors that buffer them from negative consequences. Longitudinal studies from Hawaii, the continental United States, and Great Britain have identified several personality, familial, and environmental variables that promote resiliency in youths at risk. This article discusses these variables and provides counselors with an assessment technique and strategies to promote a salutogenesis perspective. 相似文献
50.
To test the effects of variations in the structure of tasks used to assess limb apraxia, eight tasks—differing in their modes of elicitation (tactile, verbal, visual, imitation) and/or types of movement elicited (transitive, intransitive, meaningless)—were administered to 25 carefully selected subjects with idiomotor limb apraxia. When standardized scores (based on the performance of 10 nonneurologically impaired control subjects) were used to measure the differences between tasks, no clinically significant task effects were found. Additional investigation was made of two causal hypotheses regarding the processes underlying limb apractic performance. The results of factor analyses and a search for double dissociations among individual subjects were consistent with the (severity) hypothesis that differences in task performances (raw scores) reflect degrees of task difficulty; and they failed to support the (disconnection) hypothesis that posits separate and independent neural/mental processes underlying task performances. 相似文献