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Goodwin, Amanda P.; Petscher, Yaacov; Reynolds, Dan; Lantos, Tess; Gould, Sara; Tock, Jamie – Education Sciences, 2018
The history of vocabulary research has specified a rich and complex construct, resulting in calls for vocabulary research, assessment, and instruction to take into account the complex problem space of vocabulary. At the intersection of vocabulary theory and assessment modeling, this paper suggests a suite of modeling techniques that model the…
Descriptors: Factor Analysis, Correlation, Language Tests, Standardized Tests
Goodwin, Amanda P.; Petscher, Yaacov; Reynolds, Dan; Lantos, Tess; Gould, Sara; Tock, Jamie – Grantee Submission, 2018
The history of vocabulary research has specified a rich and complex construct, resulting in calls for vocabulary research, assessment, and instruction to take into account the complex problem space of vocabulary. At the intersection of vocabulary theory and assessment modeling, this paper suggests a suite of modeling techniques that model the…
Descriptors: Factor Analysis, Correlation, Language Tests, Standardized Tests
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Wainer, Howard – Journal of Educational and Behavioral Statistics, 2010
In this essay, the author tries to look forward into the 21st century to divine three things: (i) What skills will researchers in the future need to solve the most pressing problems? (ii) What are some of the most likely candidates to be those problems? and (iii) What are some current areas of research that seem mined out and should not distract…
Descriptors: Research Skills, Researchers, Internet, Access to Information
Samejima, Fumiko – 1981
In defense of retaining the "latent trait theory" term, instead of replacing it with "item response theory" as some recent research would have it, the following objectives are outlined: (1) investigation of theory and method for estimating the operating characteristics of discrete item responses using a minimum number of…
Descriptors: Adaptive Testing, Computer Assisted Testing, Factor Analysis, Latent Trait Theory