Longitudinal Cognitive Diagnostic Assessment Based on the HMM/ANN Model

mortality forecasting based on lee-carter model

over the past decades a number of approaches have been applied for forecasting mortality. in 1992, a new method for long-run forecast of the level and age pattern of mortality was published by lee and carter. this method was welcomed by many authors so it was extended through a wider class of generalized, parametric and nonlinear model. this model represents one of the most influential recent d...

the role of task-based techniques on the acquisition of english language structures by the intermediate efl students

this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...

Attribute Reliability in Cognitive Diagnostic Assessment

The attribute hierarchy method is a psychometric procedure for classifying examinees’ test item responses into a set of structured attribute patterns associated with different components from a cognitive model of task performance. Results from an AHM analysis yield information on examinees’ cognitive strengths and weaknesses. Hence, the AHM can be used for cognitive diagnostic assessment. The p...

5 Construct Validity and Cognitive Diagnostic Assessment

Reasoning Test The ART was developed by Embretson (1995) using the cognitive design system approach. ART items are matrix completion problems. Matrix completion problems appear on a variety of intelligence and ability tests. They are considered a stable measure of fluid intelligence (Raven, 1965). Construct Validity and Cognitive Diagnostic Assessment 133 Embretson (1995, 1998) further develope...

Using the General Diagnostic Model to Measure Learning and Change in a Longitudinal Large-Scale Assessment