نتایج جستجو برای: ability testing
تعداد نتایج: 737371 فیلتر نتایج به سال:
One of the approaches to compare forecasting methods is to test whether the risk from a benchmark prediction is smaller than the others. The test can be embedded into a general problem of testing inequality constraints using a one-sided sup functional. Hansen (2005) showed that such tests su¤er from asymptotic bias. This paper generalizes this observation, and proposes a hybrid method to robust...
In multiple group item response theory (IRT) modeling, the usual approach to compare the mean abilities in different groups is to introduce normal distributions for every group g, which are indexed by their mean μg and their variance σg. These parameters can be estimated by marginal maximum likelihood (MML, see, for instance, Bock & Aitkin, 1981). Tests of hypotheses concerning group means can ...
Researchers disagree on the relationships between gender, spatial ability and math achievement. Varied results from studies using different measures and populations fuel the debate. The present study adds to the gender-spatial-math literature by examining this relationship in the context of high-stakes math testing. Results indicate no gender effect on spatial ability or math achievement, and a...
Background: Prediction of developmental disorders in infancy is very important. This study aimed to predict movement disorders of children using Artificial Neural Network (ANN) model. Methods: This was a retrospective study, in which 600 infants with normal and 120 infants with abnormal neurologic examination were evaluated. For analysis, the data divided the study group randomly int...
critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...
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