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101.
Lennart Schalk Julian Roelle Henrik Saalbach Kirsten Berthold Elsbeth Stern Alexander Renkl 《Applied cognitive psychology》2020,34(4):813-824
Worked examples support learning. However, if they introduce easy-to-confuse concepts or principles, specific ways of providing worked examples may influence their effectiveness. Multiple worked examples can be introduced blocked (i.e., several for the same principle) or interleaved (i.e., switching between principles), and can be sequentially or simultaneously presented. Crossing these two factors provides four ways of presenting worked examples: blocked/sequential, interleaved/sequential, blocked/simultaneous, and interleaved/simultaneous. In an experiment with university students (N = 174), we investigated how these two factors influence the acquisition of procedural and conceptual knowledge about different, but closely related (thus, easy-to-confuse) stochastic principles. Additionally, we assessed the ability of students to discriminate between principles with verification tasks. Simultaneous presentation benefitted procedural knowledge whereas, interleaved presentation benefitted conceptual knowledge. No significant differences were found for verification tasks. The results suggest that it is worthwhile to adapt the presentation of the worked examples to the learning goals. 相似文献
102.
Donnel B. Stern 《The International journal of psycho-analysis》2014,95(6):1283-1297
103.
There are simple mechanical systems that elude causal representation. We describe one that cannot be represented in a single directed acyclic graph. Our case suggests limitations on the use of causal graphs for causal inference and makes salient the point that causal relations among variables depend upon details of causal setups, including values of variables. 相似文献
104.
Allison A. Palmberg Marilyn Stern Nichole R. Kelly Cynthia Bulik Faye Z. Belgrave Stephen K. Trapp Sara M. Hofmeier Suzanne E. Mazzeo 《Journal of child and family studies》2014,23(8):1403-1416
Evidence suggests that adolescents’ experience of binge eating (BE) might differ in important ways from that of adults. Moreover, although BE appears more common in African American women than other disordered eating behaviors, little is known about the influence of cultural factors on this behavior in adolescents. The current investigation used qualitative methodology to examine the perceptions of White and African American adolescent girls and their mothers regarding experiences of binge and loss of control eating. Five focus groups were completed with 19 adolescent girls (aged 13–17, 58 % African American, 41 % White) who endorsed loss of control eating behaviors. Their mothers (N = 19) also completed separate, concurrent focus groups addressing food and eating behaviors. Responses to focus group questions were analyzed using thematic qualitative analysis. Adolescents’ awareness of their eating behaviors varied greatly. Girls reported some awareness of how emotions influence their eating behaviors, and described using food to achieve autonomy. Mothers evidenced awareness of their daughters’ problematic eating behaviors, the effects of emotions on eating for both their daughters and themselves, and sociocultural factors influencing diet. Data from these focus groups can inform the development of innovative interventions for adolescent girls engaging in loss of control eating. 相似文献
105.
Arielle E. White Julia Moeller Zorana Ivcevic Marc A. Brackett Robin Stern 《Sex roles》2018,79(9-10):594-608
In a national survey of more than 19,000 U.S. high school students, we compared how LGBTQ youth and their non-LGBTQ peers felt at school and how they perceived social and academic experiences. We examined differences in emotions and school experiences across gender identities, sexual identities, and their intersections. LGBTQ adolescents reported significantly more frequent negative emotions and bullying, consistent with previous research. LGBTQ students also reported less frequent experiences of positive emotions at school and less frequent positive school experiences (i.e., positive peer and teacher relationships, subjective task value, and persistence support). Students who were both gender and sexual identity minority reported the most frequent negative and least frequent positive experiences at school, compared to students who were neither a gender or sexual identity minority. Analyses of the intersection of gender and sexual identity showed that heterosexual male students experienced more frequent positive emotions and school experiences, and fewer negative emotions and bullying, compared to all other groups. We discuss how these differences might be addressed through school interventions and future research. 相似文献
106.
Recently, Walters ("Dementia: Continuum or distinct entity?", Psychology and Aging, 2010, 25, 534-544) published a taxometric study suggesting a dimensional latent structure for the construct of dementia. However, because that study did not conceptualize dementia according to accepted conventions (i.e., there were no measures of cognitive change or independent functioning), its results may represent a false negative error caused by insufficient content coverage. We replicated Walters, and we used the same taxometric methods and the same data source-but with indicators of cognitive change and functional independence. Our results support a categorical interpretation of dementia; whereas Walters' results suggest that cognitive ability, rather than dementia, is dimensional in nature. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
107.
Daniel N. Stern M.D. 《Psychoanalytic Dialogues》2013,23(1):101-103
When we feel overwhelmed by an inescapable threat, we “identify with the aggressor” (Ferenczi, 1933). Hoping to survive, we sense and “become” precisely what the attacker expects of us—in our behavior, perceptions, emotions, and thoughts. Identification with the aggressor is closely coordinated with other responses to trauma, including dissociation. Over the long run, it can become habitual and can lead to masochism, chronic hypervigilance, and other personality distortions. But habitual identification with the aggressor also frequently occurs in people who have not suffered severe trauma, which raises the possibility that certain events not generally considered to constitute trauma are often experienced as traumatic. Following Ferenczi, I suggest that emotional abandonment or isolation, and being subject to a greater power, are such events. In addition, identification with the aggressor is a tactic typical of people in a weak position; as such, it plays an important role in social interaction in general. 相似文献
108.
Donnel B. Stern Ph.D. 《Psychoanalytic Dialogues》2013,23(6):630-645
This article is the second part of an examination of field theory in psychoanalysis. In this article, contemporary Bionian field theory, primarily the work of Antonino Ferro, is compared with contemporary interpersonal and relational psychoanalysis. 相似文献
109.
In comparative anatomical studies of the shoulder, the humeral retractors are often grouped together as propulsive muscles, which are important in the propulsive stroke of the forelimb during quadrupedal locomotion. Electromyographic (EMG) analyses of these muscles in opossums, cats, and dogs in general have confirmed such conclusions. An EMG study of chimpanzee shoulder muscles during knuckle-walking found, however, that the humeral retractors are either inactive or perform a function unrelated to propulsion (Larson & Stern, 1987). This contrast in muscle recruitment patterns between chimpanzees and more “typical” mammalian quadrupeds was attributed to the derived morphology of the chimpanzee shoulder. The present study examines the activity patterns of the humeral retractors in the vervet monkey, a primate more closely resembling nonprimate mammals in its shoulder morphology. The results of this EMG analysis show that despite the significant differences in anatomy between chimpanzees and vervets, the two species display very similar muscle recruitment patterns during quadrupedalism, and there is evidence for this same pattern in other species of primates. These differences in muscle activity patterns between primates and nonprimate mammals may be related to changes in the neurological control of locomotion in primates due to the evolutionary development of manipulative abilities in the primate forelimb. 相似文献
110.
David G. Stern 《Inquiry (Oslo, Norway)》2013,56(4):383-401
In this paper I consider one of the influential challenges to the notion that perceptual experience might be completely conceptually structured, a challenge that rests on the idea that conceptual structure cannot do justice to the fineness of grain of perceptual experience. In so doing, I canvass John McDowell's attempt to meet this challenge by appeal to the notion of demonstrative concepts and review some criticisms recently leveled at McDowell's deployment of demonstrative concepts for this purpose by Sean D. Kelly. Finally, I suggest that, though Kelly's criticisms might challenge McDowell's original presentation of demonstrative concepts, a modified notion of demonstrative concepts is available to the conceptualist that is proof against Kelly's criticisms. 相似文献