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161.
Cognitive Style Index: Further investigation of the factor structure with an American student sample
The present study investigates the factor structure of the Cognitive Style Index (CSI), comparing the unitary, bipolar continuum of intuition–analysis, the theory upon which the CSI is predicated, with the two‐factor theory of cognitive style. We conducted both confirmatory and exploratory factor analyses on data from a sample of 222 American university business students. There was a lack of fit for the unifactorial model. Our results suggest the instrument is tapping multiple dimensions of cognitive style, the implications of which are discussed. 相似文献
162.
Tiers of intervention in kindergarten through third grade 总被引:1,自引:0,他引:1
This study measured the effects of increasing levels of intervention in reading for a cohort of children in Grades K through 3 to determine whether the severity of reading disability (RD) could be significantly reduced in the catchment schools. Tier 1 consisted of professional development for teachers of reading. The focus of this study is on additional instruction that was provided as early as kindergarten for children whose achievement fell below average. Tier 2 intervention consisted of small-group reading instruction 3 times per week, and Tier 3 of daily instruction delivered individually or in groups of two. A comparison of the reading achievement of third-grade children who were at risk in kindergarten showed moderate to large differences favoring children in the tiered interventions in decoding, word identification, fluency, and reading comprehension. 相似文献
163.
Kristin R. Carlson 《Learning & behavior》1973,1(1):33-37
In a two-choice discrimination learning paradigm, a U-shaped function was found between trials to criterion and the number of sides comprising the random figure discriminanda. These data are consistent with results from human Ss and suggest similar information processing capabilities in the two species. Changing the orientation of the stimulus figures after the discrimination had been learned only partially disrupted subsequent discrimination performance. Any single difference in selected form attributes between the two figures comprising a problem was not a good predictor of learning speed, suggesting that monkeys use a combination of such factors. 相似文献
164.
“These Pretzels Are Making Me Thirsty”: Older Children and Adults Struggle With Induced‐State Episodic Foresight
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Hannah J. Kramer Deborah Goldfarb Sarah M. Tashjian Kristin Hansen Lagattuta 《Child development》2017,88(5):1554-1562
We explored children's and adults’ ability to disengage from current physiological states when forecasting future desires. In Study 1, 8‐ to 13‐year‐olds and adults (N = 104) ate pretzels (to induce thirst) and then predicted and explained what they would want tomorrow, pretzels or water. Demonstrating life‐span continuity, approximately 70% of participants, regardless of age, chose water and referenced current thirst as their rationale. Individual differences in working memory and undergraduate grade point average were positively related to performance on the pretzel task. In Study 2, we obtained baseline preferences from adults (N = 35) and confirmed that, prior to consuming pretzels, people do not anticipate wanting water more than pretzels the next day. Together, these findings indicate that both children and adults are tethered to the present when forecasting their future desires. 相似文献
165.
Kristin E. Porter Sean F. Reardon Fatih Unlu Howard S. Bloom Joseph R. Cimpian 《Journal of research on educational effectiveness》2017,10(1):138-167
A valuable extension of the single-rating regression discontinuity design (RDD) is a multiple-rating RDD (MRRDD). To date, four main methods have been used to estimate average treatment effects at the multiple treatment frontiers of an MRRDD: the “surface” method, the “frontier” method, the “binding-score” method, and the “fuzzy instrumental variables” method. This article uses a series of simulations to evaluate the relative performance of each of these four methods under a variety of different data-generating models. Focusing on a two-rating RDD (2RRDD), we compare the methods in terms of their bias, precision, and mean squared error when implemented as they most likely would be in practice—using optimal bandwidth selection. We also apply the lessons learned from the simulations to a real-world example that uses data from a study of an English learner reclassification policy. Overall, this article makes valuable contributions to the literature on MRRDDs in that it makes concrete recommendations for choosing among MRRDD estimation methods, for implementing any chosen method using local linear regression, and for providing accurate statistical inferences. 相似文献
166.
Kristin E. Porter 《Journal of research on educational effectiveness》2018,11(2):267-295
Researchers are often interested in testing the effectiveness of an intervention on multiple outcomes, for multiple subgroups, at multiple points in time, or across multiple treatment groups. The resulting multiplicity of statistical hypothesis tests can lead to spurious findings of effects. Multiple testing procedures (MTPs) are statistical procedures that counteract this problem by adjusting p values for effect estimates upward. Although MTPs are increasingly used in impact evaluations in education and other areas, an important consequence of their use is a change in statistical power that can be substantial. Unfortunately, researchers frequently ignore the power implications of MTPs when designing studies. Consequently, in some cases, sample sizes may be too small, and studies may be underpowered to detect effects as small as a desired size. In other cases, sample sizes may be larger than needed, or studies may be powered to detect smaller effects than anticipated. This paper presents methods for estimating statistical power for multiple definitions of statistical power and presents empirical findings on how power is affected by the use of MTPs. 相似文献
167.
Rista C. Plate Jacqueline M. Fulvio Kristin Shutts C. Shawn Green Seth D. Pollak 《Child development》2018,89(1):205-218
Individuals track probabilities, such as associations between events in their environments, but less is known about the degree to which experience—within a learning session and over development—influences people's use of incoming probabilistic information to guide behavior in real time. In two experiments, children (4–11 years) and adults searched for rewards hidden in locations with predetermined probabilities. In Experiment 1, children (n = 42) and adults (n = 32) changed strategies to maximize reward receipt over time. However, adults demonstrated greater strategy change efficiency. Making the predetermined probabilities more difficult to learn (Experiment 2) delayed effective strategy change for children (n = 39) and adults (n = 33). Taken together, these data characterize how children and adults alike react flexibly and change behavior according to incoming information. 相似文献
168.
This article presents the results of a follow-up study on the attitudes of German principals towards receiving feedback from school inspections. In a first study, we explored the attitudes of 50 principals towards feedback from school inspections [Quality Analysis (QA) in North Rhine-Westphalia] before school inspections took place at these schools (Bitan et al., Int J leadersh Educ 18(4):418–439, 2015). In the present study, the change in attitude of 20 of these principals towards the feedback instrument was investigated in a longitudinal study that took place 6 months after the schools had been inspected. Mixed methods were used. The main aim of the study was to assess the principals’ reactions and attitudes toward the feedback given by school inspectors as well as the change in principals’ attitudes after the school inspection and to explore the underlying reasons for their attitudes and reactions. 20 % of the principals changed to a more negative attitude towards the QA after the inspection, whereas 0 % voiced a neutral attitude. 60 % changed to a more positive attitude and 20 % remained positive after the QA. The discussion presents implications for school inspections as a feedback instrument as well as school development. 相似文献
169.
Jitendra AK Edwards LL Starosta K Sacks G Jacobson LA Choutka CM 《Journal of learning disabilities》2004,37(5):421-439
Several multiple-probe-across-participants design studies were employed to evaluate the effectiveness of a supplemental tutoring intervention using Read Well (Sprick, Howard, & Fidanque, 1998-2000). In Year 1, we conducted two studies with 7 first-, second-, and third-grade children (1 girl and 6 boys), who were classified as having learning disabilities, having attention-deficit disorder, or being English language learners and were identified by their teachers as poor readers. The results of the two studies indicated that 3 of the 5 children who received Read Well instruction showed improvement in passage fluency. Student performance on other measures of reading and comprehension was varied. Differences in student characteristics and in the amount of Read Well instruction received (2 to 7 weeks) seemed to account for the differences in performance. In Year 2, we implemented the same tutoring intervention for a longer duration (up to 16 weeks) and included 5 children in second and third grades (2 girls and 3 boys) with reading difficulties. Two of these children had previously participated in the Year 1 studies. The results indicated growth in reading, spelling, and comprehension for most children. Overall, the findings from Year 1 and 2 studies indicate the benefits of increased instructional intensity and duration for children who struggle with emerging reading skills. 相似文献
170.
The purpose of the study was to examine the relationships among maladaptive perfectionism, self-compassion, and depressive symptoms in college students. It was hypothesized that self-compassion would mediate the relationship between maladaptive perfectionism and depressive symptoms, with maladaptive perfectionism related to lower levels of self-compassion, and lower levels of self-compassion related to greater endorsement of depressive symptoms. Results supported partial mediation, indicating that self-compassion partially accounts for the relationship between maladaptive perfectionism and depressive symptoms. Implications for practice and research are discussed. 相似文献