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Scientific Research Studies
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White Papers and Technical Reports

These formative research summaries, identify the scientifically-proven methods for teaching reading and math that provide the foundation for all Voyager program design.


This report described the Fluency Gain Project conducted in May 2007. The Fluency Gain Project gathered data to determine reasonable fluency gains that could be expected between an initial and final read.

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The Lexile Framework® for Reading is the most widely adopted reading measure in use today; tens of thousands of books and articles have Lexile measures. This map shows examples of text students would read at specific Lexile levels in the corresponding grade levels.

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Developed in collaboration with Metametrics, this Fourth Edition of the technical guide for the Passport Reading Journeys Benchmark Assessments illustrates the broad research foundation. Such a base is essential when deciding if and how the benchmark assessments should be used and what kinds of inferences about readers are appropriate.

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Research Foundations and Design of Passport Reading Journeys™

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Research Foundations and Design of Ticket to Read

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To ensure students have a successful and meaningful experience with the phonics component of Ticket to Read, a placement measure was developed to determine which entry point is appropriate for each student. This report describes the pilot studies conducted to evaluate the phonics placement measure.

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This report provides information about the Vital Indicators of Progress (VIP) measures - the assessment tools embedded into our elementary reading curriculum. The report includes a description of the VIP assessment system and individual measures, including their development and decision rules, followed by four studies that support the use of the VIP measures as indicators of five key early literacy skills that are predictive of later reading achievement.

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The Computational Fluency Benchmark Assessment (CF Assessment) measures essential computational skills taught throughout the entire Vmath level. The Computational Fluency Goals (CF Goals) for the Vmath CF Assessments were first established in 2006. Examination of two years of Vmath CF data, 2007-2008 and 2008-2009 school years, indicate that changes are appropriate to the original CF Goals.

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Voyager Vmath Progress Assessments are designed to measure a student's readiness for instruction on appropriate grade-level material. This technical guide provides the broad research foundation of Vmath's progress assessments, how the progress assessments should be used and what kinds of inferences about a student's mathematical learning are permissible.

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Technical guide for the Vmath Texas Progress Assessments provides a broad research foundation. Such a base is essential when deciding if and how the progress assessments should be used and what kinds of inferences about a student's mathematical learning are permissible.

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Research Foundations and Design of Vmath®

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Research Foundations and Design of Voyager Pasaporte™ Spanish Reading Intervention System

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This report describes the passages available to assess student oral reading fluency using the VIP RCT measure, including how the passages were developed and how readability formulas were used to ensure approximate consistency of passage difficulty. The report also contains a list of titles and respective readability information for the passages available in Voyager Passport.

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Research Foundations and Design of Voyager Passport™ Reading Intervention System

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Research Foundations and Design of the Voyager Universal Literacy System®

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