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91.
J?rg-Tobias Kuhn Heinz Holling 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2014,10(2):59-67
Research on the improvement of elementary school mathematics has shown that
computer-based training of number sense (e.g., processing magnitudes or locating
numbers on the number line) can lead to substantial achievement gains in
arithmetic skills. Recent studies, however, have highlighted that training
domain-general cognitive abilities (e.g., working memory [WM]) may also improve
mathematical achievement. This study addressed the question of whether a
training of domain-specific number sense skills or domain-general WM abilities
is more appropriate for improving mathematical abilities in elementary school.
Fifty-nine children (Mage = 9 years, 32 girls and 27
boys) received either a computer-based, adaptive training of number sense
(n = 20), WM skills (n = 19), or served as
a control group (n = 20). The training duration was 20 min per
day for 15 days. Before and after training, we measured mathematical ability
using a curriculum-based math test, as well as spatial WM. For both training
groups, we observed substantial increases in the math posttest compared to the
control group (d = .54 for number sense skills training,
d = .57 for WM training, respectively). Whereas the number
sense group showed significant gains in arithmetical skills, the WM training
group exhibited marginally significant gains in word problem solving. However,
no training group showed significant posttest gains on the spatial WM task.
Results indicate that a short training of either domain-specific or
domain-general skills may result in reliable short-term training gains in math
performance, although no stable training effects were found in the spatial WM
task. 相似文献
92.
The objective of this study was to evaluate the outcome of child psychoanalytic psychotherapy in a clinical outpatient setting in a city in southern Brazil. Three psychological tests (Rorschach, Bender and WISC III) were administered to 23 children, aged 6–11 years old, and the Child Behaviour Check List (CBCL) was completed by the parents. All testing was completed before the beginning of the individual psychoanalytic psychotherapy. The same measures were repeated after 12 months of intervention. The 23 children who received individual psychoanalytic psychotherapy were compared with a control group who did not receive any kind of intervention. In the clinical group, the results indicated a statistically significant reduction of anxiety symptoms (0.002) and school problems (0.031), improvement in interpersonal relationships (0.022), and positive change in the following CBCL scales: withdrawn (0.010), thought problems (0.022), anxiety and depression (0.017), internalising (0.008) and total (0.003). An effect size of 0.696 was calculated based on the CBCL total scale before and after the intervention. The results revealed that child psychoanalytical psychotherapy is mostly effective in the treatment of female children who present internalising disorders. 相似文献
93.
Kristine M. Kuhn Timothy R. Johnson Douglas Miller 《International Journal of Selection & Assessment》2013,21(1):111-120
This study investigates responses to a discovered résumé embellishment as a function of initial impressions of the applicant. In Study 1, managers and recruiters rated the extent to which a discrepancy uncovered by a background check would lower their opinion of an applicant, using a between‐subjects design crossing the applicant's apparent desirability and type of embellishment. In Study 2, business students completed a simulated hiring task in which they first evaluated applicants based on their résumés, then read background reports, and subsequently made a final evaluation. Results indicate interactive effects of an applicant's apparent desirability, type of deception revealed, and response dimension. The discovery of a minor embellishment has little effect on evaluations of favored applicants, but negatively impacts less desirable applicants. 相似文献
94.
Field T Hernandez-Reif M Diego M Schanberg S Kuhn C 《Infant behavior & development》2006,29(2):262-267
Four hundred and thirty pregnant women were recruited during their second trimester of pregnancy (M=20 weeks). They were designated depressed (N=172) or nondepressed (N=258) on the Structured Clinical Interview of Depression (SCID) and the Center for Epidemiological Studies Depression scale (CES-D). They were given a second assessment when they were approximately 32 weeks gestational age. At both assessments they were given self-report measures (CES-D, the State Anxiety Inventory, and the State Anger Inventory) and provided urine samples for assays of cortisol, catecholamines (norepinephrine, epinephrine and dopamine) and serotonin. They were also given the VITAS scale for lower back pain and leg pain and a sleep disturbance scale. The stability of mood states and biochemistry across pregnancy (20 and 32 weeks) were assessed inasmuch as mood states, and biochemistry have been noted to predict prematurity and low birthweight. Significant correlations were noted for all variables except serotonin. Relationships between mood states and biochemistry were also noted but only between cortisol and depression, cortisol and anxiety, and epinephrine and anxiety. Significant stability was noted between the 20-week measures and the 32-week measures including depression, anxiety, anger, and cortisol. These were, in turn, correlated with each other and with, low back pain, leg pain, and sleep disturbance. These data suggest the stability of mood states and cortisol across pregnancy. 相似文献
95.
Several studies have found learning of biconditional grammars only under intentional rule-search conditions (e.g., Johnstone & Shanks, 2001). Memorization of strings merely led to the learning of chunks. We used a musical grammar, a diatonic inversion, that is a type of biconditional grammar. Participants either were required to memorize a set of grammatical tunes (incidental learning), or were asked to search for the underlying rule whilst being given feedback about their performance (intentional learning). The results showed that participants in the incidental-learning condition did not learn the inversion rule and merely acquired explicit knowledge about chunks. However, participants in the intentional-learning condition learnt both the inversion rule and chunks. 相似文献
96.
This meta-analysis investigates differences between the effect sizes of physical punishment and alternative disciplinary tactics for child outcomes in 26 qualifying studies. Analyzing differences in effect sizes reduces systematic biases and emphasizes direct comparisons between the disciplinary tactics that parents have to select among. The results indicated that effect sizes significantly favored conditional spanking over 10 of 13 alternative disciplinary tactics for reducing child noncompliance or antisocial behavior. Customary physical punishment yielded effect sizes equal to alternative tactics, except for one large study favoring physical punishment. Only overly severe or predominant use of physical punishment compared unfavorably with alternative disciplinary tactics. The discussion highlights the need for better discriminations between effective and counterproductive use of disciplinary punishment in general. 相似文献
97.
Zorawski M Cook CA Kuhn CM LaBar KS 《Cognitive, affective & behavioral neuroscience》2005,5(2):191-201
It has long been recognized that humans vary in their conditionability, yet the factors that contribute to individual variation
in emotional learning remain to be delineated. The goal of the present study was to investigate the relationship among sex,
stress hormones, and fear conditioning in humans. Forty-five healthy adults (22 females) underwent differential delay conditioning,
using fear-relevant conditioned stimuli and a shock unconditioned stimulus. Salivary cortisol samples were taken at baseline
and after acquisition training and a 24-h-delayed retention test. The results showed that acquisition of conditioning significantly
correlated with postacquisition cortisol levels in males, but not in females. This sex-specific relationship was found despite
similar overall levels of conditioning, unconditioned responding, and cortisol. There was no effect of postacquisition cortisol
on consolidation of fear learning in either sex. These findings have implications for the understanding of individual differences
in fear acquisition and risk factors for the development of affective disorders. 相似文献
98.
How do people know? 总被引:5,自引:0,他引:5
Kuhn D 《Psychological science》2001,12(1):1-8
To fully understand processes of knowing and knowledge acquisition, it is necessary to examine people's understanding of their own knowing. Individual and developmental differences in what it means to know something, and hence in the criteria for justifying knowledge claims, have potentially wide-ranging implications. In providing support for a claim, young children have difficulty differentiating explanation of why a claim makes sense and evidence that the claim is true. Epistemic understanding progresses developmentally, but substantial variation remains among adults, with few adults achieving understanding of the complementary strengths and weaknesses of evidence and explanation in argument. Epistemic understanding shapes intellectual values and hence the disposition (as opposed to competence) to exercise intellectual skills. Only its most advanced levels support a disposition to engage in the intellectual effort that reasoned argument entails. The sample case of juror reasoning illustrates how epistemic understanding underlies and shapes intellectual performance. 相似文献
99.
Blanchard EB Hickling EJ Malta LS Freidenberg BM Canna MA Kuhn E Sykes MA Galovski TE 《Behaviour research and therapy》2004,42(7):745-759
We followed up over 90% of 57 motor vehicle accident survivors, who completed a controlled comparison of cognitive behavioral therapy (CBT) to supportive psychotherapy (SUPPORT). One-year results showed a continued significant advantage on categorical diagnosis (PTSD or not) and structured interview measures (CAPS) for CBT over SUPPORT. Other measures generally showed the same results. At two years, we were able to follow-up only 75% of one-year completers. Although there continued to be arithmetic differences favoring CBT over SUPPORT, with these attenuated samples only differences on PTSD Checklist and Impact of Event Scale scores and in overall categorical diagnoses were significant. There was very modest improvement from end of treatment to the two-year follow-up. 相似文献
100.
Children and adults as intuitive scientists 总被引:13,自引:0,他引:13
D Kuhn 《Psychological review》1989,96(4):674-689
The metaphor of children and lay adults as intuitive scientists has gained wide acceptance. Although useful in one sense, pertaining to scientific understanding, in another, pertaining to the process of scientific thinking, the metaphor may be fundamentally misleading. Research is reviewed indicating that processes of scientific thinking differ significantly in children, lay adults, and scientists. Hence, it is the instruments of scientific thinking, not just the products, that undergo "strong restructuring" (Carey, 1986). A framework for conceptualizing development of scientific thinking processes is proposed, centering on progressive differentiation and coordination of theory and evidence. This development is metacognitive, as well as strategic. It requires thinking about theories, rather than merely with them, and thinking about evidence, rather than merely being influenced by it, and, hence, reflects the attainment of control over the interaction of theories and evidence in one's own thinking. 相似文献