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71.
What Causes Specific Language Impairment in Children? 总被引:2,自引:0,他引:2
Dorothy V.M. Bishop 《Current directions in psychological science》2006,15(5):217-221
ABSTRACT— Specific language impairment (SLI) is diagnosed when a child's language development is deficient for no obvious reason. For many years, there was a tendency to assume that SLI was caused by factors such as poor parenting, subtle brain damage around the time of birth, or transient hearing loss. Subsequently it became clear that these factors were far less important than genes in determining risk for SLI. A quest to find "the gene for SLI" was undertaken, but it soon became apparent that no single cause could account for all cases. Furthermore, although fascinating cases of SLI caused by a single mutation have been discovered, in most children the disorder has a more complex basis, with several genetic and environmental risk factors interacting. The clearest evidence for genetic effects has come from studies that diagnosed SLI using theoretically motivated measures of underlying cognitive deficits rather than conventional clinical criteria. 相似文献
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Viren Swami John Jones Dorothy Einon Adrian Furnham 《British journal of psychology (London, England : 1953)》2009,100(2):313-325
One particular aspect of the literature on preferences for female body shapes has focused on the purported universality of preferences for a low waist‐to‐hip ratio (WHR), despite substantial evidence of cross‐cultural variability in such preferences. In the present study, we examined the effects of manipulating women's profile WHR, breast size, and ethnicity on men's ratings of physical attractiveness and health. A total of 51 African men in South Africa, 56 British Africans, and 114 British Caucasians rated 12 line drawings that varied in two levels of ethnicity, three levels of WHR, and two levels of breast size. Overall, the results suggested that there were cross‐cultural differences in preferred body shape, with the preferred body configuration varying as a function of the ethnicity of the figure being rated. In addition, there was a strong positive correlation between ratings of attractiveness and health. These findings are discussed in relation to the interplay between culture and evolution in determining ideals of attractiveness. 相似文献
74.
Jacqueline S. Mattis Wizdom Powell Hammond Nyasha Grayman Meredith Bonacci William Brennan Sheri-Ann Cowie Lina Ladyzhenskaya Sara So 《American journal of community psychology》2009,43(1-2):71-84
Contemporary social science paints a bleak picture of inner-city relational life. Indeed, the relationships of low-income, urban-residing Americans are represented as rife with distress, violence and family disruption. At present, no body of social scientific work systematically examines the factors that promote loving or selfless interactions among low-income, inner-city American individuals, families and communities. In an effort to fill that gap, this ethnographic study examined the motivations for altruism among a sample of adults (n = 40) who reside in an economically distressed housing community (i.e., housing project) in New York City. Content analyses of interviews indicated that participants attributed altruism to an interplay between 14 motives that were then ordered into four overarching categories of motives: (1) needs-centered motives, (2) norm-based motives deriving from religious/spiritual ideology, relationships and personal factors, (3) abstract motives (e.g., humanism), and (4) sociopolitical factors. The implications of these findings are discussed. 相似文献
75.
Kathleen C. Basile Dorothy L. Espelage Ian Rivers Pamela M. McMahon Thomas R. Simon 《Aggression and violent behavior》2009,14(5):336-347
Bullying experiences and male sexual violence (SV) perpetration are major public health problems, and while extant literature suggests that they may share some developmental correlates, there is no established empirical link between being a perpetrator or victim of bullying and SV perpetration in the literature. Nonetheless, some SV prevention programs in the U.S. include bullying prevention components for elementary and middle-school aged children. Research is needed to test the hypothesized links between bullying experiences and SV perpetration to determine whether bullying prevention programs are likely to prevent SV perpetration. The purpose of this paper is to present results from a review of research on each of these topics and to discuss the potential shared and unique risk and protective factors within a social-ecological framework. The paper concludes with suggested directions for future research. 相似文献
76.
Sarah Cowie Stephanie Gomes-Ng Brooke Hopkinson John Y.H. Bai Jason Landon 《Journal of the experimental analysis of behavior》2020,114(2):216-232
Stimuli that provide information about likely future reinforcers tend to shift behavior, provided a reliable relation between the stimulus and the reinforcer can be discriminated. Stimuli that are apparently more reliable exert greater control over behavior. We asked how the subjective value (measured in terms of preference) of reinforcers associated with stimuli influences stimulus control. Five pigeons worked on a concurrent chains procedure in which half of all trials ended in a smaller reinforcer sooner, and the other half in a larger reinforcer later. In Signaled trials, the color and flash duration on the keys in the initial link signaled the outcome of the trial. In Conflicting probe trials, the color and the flash duration signaled conflicting information about the outcome of the trial. Choice in Signaled trials shifted toward the signaled outcome, but was never exclusive. In Conflicting probe trials, control was divided idiosyncratically between the 2 stimulus dimensions, but still favored the outcome with the higher subjective value. Thus, stimulus control depends not only on the perceived reliability of stimuli, but also on the subjective value of the outcome. 相似文献
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Karen Glanz Alan C Geller Dorothy Shigaki Jay E Maddock May Rose Isnec 《Health psychology》2002,21(6):579-587
Skin cancer is increasing, and prevention programs are essential. This study evaluated the impact of a skin cancer prevention program on sun-protection habits and swimming pool environments. The intervention included staff training; sun-safety lessons; interactive activities; providing sunscreen, shade, and signage; and promoting sun-safe environments. A randomized trial at 28 swimming pools in Hawaii and Massachusetts tested the efficacy of this program (Pool Cool) compared with an attention-matched injury-prevention control program. Results showed significant positive changes in children's use of sunscreen and shade, overall sun-protection habits, and number of sunburns and improvements in parents' hat use, sun-protection habits, and reported sun-protection policies and environments. Observations corroborated the positive findings. Pool Cool had significant positive effects at swimming pools in diverse audiences. 相似文献
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Analytic group psychotherapy offers the potential for developing ego functions and enhancing identity formation. The nature of the interaction in group psychotherapy forces participants to deal with their perception of reality and revise their perceptions. After a brief review of the literature, focusing on the theoretical basis and ego development in analytic group psychotherapy, the paper discusses the following ego functions and gives an example of each: adaptation to reality, judgment, drive control, object relations (relationships with others), thought process and communication, defenses, affect differentiation, autonomy, mastery-competence, regulation of self-esteem, and frustration tolerance. The paper concludes with an example of assessing ego functions from a clinical vignette taken from one group psychotherapy session. 相似文献