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Western Reserve Reading and Math Project
Description: The Western Reserve Reading and Math Project (WRRMP) is a NIH funded longitudinal study on child development. The project has collected data annually for 15 years, with data on approximately 450 twin pairs collected during this time. The project has had several focal points throughout its history.
Investigators: Stephen Petrill, Lee Thompson, Laura Segebart DeThorne, Robert Plomin, Chris Schatschneider
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WRRMP Full data (all waves)
Part of Project: Western Reserve Reading and Math Project
Description: This dataset contains all longitudinal data for the entirety of the WRRMP. This includes 10 waves worth of twin data, with extensive reading, math, behavioral, and environmental measures. Due to the twin nature of the data, data is presented as both long and wide, with each twin represented twice within the dataset.
Investigators: Stephen Petrill, Lee Thompson, Robert Plomin, Laura Segebart DeThorne, Chris Schatschneider
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WRRMP removed information
Part of Project: Western Reserve Reading and Math Project
Description: This data is supplemental but non-essential to the main dataset. This contains race and ethnicity variables removed to preserve data integrity and data privacy.
Investigators: Stephen Petrill
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Wave 1 Mother Q2 Item Level
Part of Project: Western Reserve Reading and Math Project
Description: Contains Item-level data for wave 2 related to the Q2 questionnaire responded by mothers. See Master Codebook for variable information.
Investigators: Stephen Petrill
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PTP Item Level Data
Part of Project: Western Reserve Reading and Math Project
Description: Contains data related to PTP survey. See Master Codebook and Item level codebook for more details.
Investigators: Stephen Petrill
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Content Type

  • Dataset (4)
  • Project (1)

Constructs

  • Anxiety (1)
  • Applied Problems (1)
  • Arithmetic (1)
  • Attention-deficit/hyperactivity disorder [ADHD] (1)
  • Calculation (1)
  • Decoding (1)
  • Depression (1)
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  • Reading Achievement (1)
  • Reading Comprehension (1)
  • Reading Fluency (1)
  • Temperament (1)
  • Vocabulary (1)

Assessments

  • Bayley Behavior Rating (1)
  • Clinical Evaluation of Language Fundamentals Fifth Edition (CELF-5) (1)
  • Colorado Perceptual Speed Test (1)
  • Comprehensive Test of Phonological Processing Second Edition [CTOPP-2] (1)
  • Confusion, Hubbub, and Order Scale (CHAOS) (1)
  • Diagnostic Assessment of Reading Comprehension (DARC) (1)
  • Dynamic Indicators of Basic Early Literacy Skills [DIBELS] (1)
  • Factor Referenced Cognitive Tests (1)
  • Fast Math (1)
  • Gates-MacGinitie Reading Tests [GMRT] (1)
  • MacArthur Subjective Social Status Scale (1)
  • Olsen Orthographic Skills (1)
  • Peabody Individual Achievement Test (PIAT) (1)
  • Petrill Educational Progress Survey (1)
  • Stanford Binet Intelligence Scales (1)
  • Test of Word Reading Efficiency Second Edition [TOWRE-2] (1)
  • Wechsler Adult Intelligence Scale (WAIS) (1)
  • Wechsler Intelligence Scale for Children Fifth Edition [WISC-5] (1)
  • Wide Range Achievement Test (WRAT) (1)
  • Woodcock Reading Mastery Test [WRMT] (1)

Participant Type

  • Children (2)

Special Populations

Educational Environments

  • Elementary School (1)
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  • Public Middle Schools (1)

Project Methods

  • Genetically Sensitive (1)
  • Individual Difference (1)
  • Twin Study (1)

Developmental Designs

  • Individual Differences (1)
  • Longitudinal (1)

Persons

  • Stephen Petrill (5)
  • Chris Schatschneider (2)
  • Laura Segebart DeThorne (2)
  • Lee Thompson (2)
  • Robert Plomin (2)

Organizations

  • [x] Case Western Reserve University (5)
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  • University 1 (2)
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  • Hubei University of Chinese Medicine (1)
  • Juniper Gardens Children's Project (1)
  • Kansas University Medical Center (1)
  • Marshall University (1)
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  • Mercyhurst University (1)
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  • National Center for Intensive Intervention (1)
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This repository is a collaboration between the FSU Department of Psychology, the Florida Center for Reading Research, and the FSU Libraries. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

On March 25, 2025, the NIH requested that we post this text: "This repository is under review for potential modification in compliance with Administration directives."

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