IntelliMetric® Assessment Tools and Online Essay Grading

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• What is IntelliMetric®
• ACT, Inc. (
• How does IntelliMetric® work
• How is IntelliMetric® trained
• Continued……How is IntelliMetric® trained
• What does the data say about the quality of the scoring
• What makes IntelliMetric® unique

The Gold Standard of Essay Scoring IntelliMetric® Assessment Tools and Online Essay Grading IntelliMetric® is an intelligent automated essay scoring system that: Provides immediate holistic and analytic feedback for extended or short answers May be used as an instructional tool or for high stakes assessment Is based on more than a decade of research and development with continual innovations and advancements Was first commercially used in 1998 for use in college course placement assessments What is IntelliMetric®? Who’s Using IntelliMetric®? Association of American Medical Colleges (AAMC) for the writing section of the Medical College Admission Test (MCAT). Graduate Management Admission Council (Analytical Writing Assessment (AWA) portion of the GMAT). The College Board (ACCUPLACER® WritePlacer and SAT Prep). ACT, Inc. (COMPASS e-Write™, COMPASS ESL, ACT Prep, WorkKeys ®). Medical College Admission Test (MCAT) State Departments of Education and School Districts throughout the country. Creates a unique scoring solution (model) for each prompt Learns the characteristics of the score scale through exposure to examples of previously-scored responses Uses Artificial Intelligence to learn how to score essays Trained with a set of known papers (previously scored by experts) Modeled after traditional expert scoring process How does IntelliMetric® work? Prompt specific training mirroring the human scorer calibration process: Training set of approximately 300 representative papers previously scored by expert scorers Must have definition at tails in order to avoid truncating the scale Must be consistently scored- garbage in, garbage out Roughly normal distributions provide strongest models Validation set kept blind How is IntelliMetric® trained? IntelliMetric® infers rubric and learns the characteristics of the score scale from training set IntelliMetric® is inductive rather than rule based Model is created and used to score validation set Performance data is reviewed (comparing human score and IM score for validation set) Agreement Rates Pearson correlation (measure of linear relationship) Continued……How is IntelliMetric® trained? How is an IntelliMetric® model created? Hundreds of studies provide support that IntelliMetric®: Agrees with expert scoring more often than two skilled human raters will agree with each other. Accurately scores open-ended responses across a variety of grade levels, subject areas and contexts IM is perfectly internally consistent. It will consistently score the same essay the same way every time. This is not true of human scorers. Shows stable results across samples. What does the data say about the quality of the scoring? Uses over 400 semantic, syntactic, and discourse-level features Content and Structure Neurosynthetic approach Learning engine Systemic Inductive Uses Multiple “Judges” Linear Regression, Bayesian Analysis, Latent Semantic Analysis, Proprietary Algorithms Other automated essay scoring systems use a more narrow approach. What makes IntelliMetric® unique? Demo Let’s take a look at how IntelliMetric® works. Directory: docs docs -> How to Write the Perfect Essay Dr Colin Tyler Contents Summary docs -> Introduce Yourself docs -> Structure for a Paragraphs for Paragraph Assignments docs -> A masters in Education in eLearning The University of Hull Modules docs -> Getting started with sixth edition apa style docs -> Guide to writing geography papers docs -> Allows readers to cross-reference your sources easily docs -> Seniors: this is an important year for you docs -> Name: Address: Parent/Guardian Permission: Birth Date Download 5.24 Kb. Share with your friends: