Middle Grades Longitudinal Study of 2017–18 (MGLS:2017) Assessment Item Level File (ILF), Read Me

Title:	Middle Grades Longitudinal Study of 2017–18 (MGLS:2017) Assessment Item Level File (ILF), Read Me
Description:	This ReadMe provides guidance and documentation for users of the Middle Grades Longitudinal Study of 2017-18 (MGLS:2017) Assessment Item Level File (ILF)(NCES 2023-014) made available to researchers under a restricted use only license. Other supporting documentation includes MGLS_Math_and_Reading_Items_User_Guide.xlsx, MGLS_MS1_Math_Item_Images.pdf, MGLS_MS2_Math_Item_Images.pdf, MGLS_MS1_MS2_Reading_Sample_Item_Type_Images.pdf, MGLS_MS1_MS2_EF_HeartsFlowers_Instructions.pptx, and MGLS_MS2_EF_Spatial_2-back_Instructions.pptx
Online Availability:	How to obtain restricted-use licenses.
Cover Date:	August 2023
Web Release:	August 16, 2023
Publication #:	NCES 2023015
Center/Program:	NCES
Authors:	Grim, C.
Type of Product:	User's Manual/Data File Documentation
Survey/Program Areas:	Middle Grades Longitudinal Study of 2017–18 (MGLS:2017)
Keywords:	Ability Academic English Achievement • academic achievement Achievement (Student) • mathematics • reading Assessment Criterion Referenced Tests Criterion Validity Data Analysis Data Collection Data Reporting Data Use Department of Education • data Educational Research Eighth-Graders • American English Language Learners (ELL) English Language Proficiency English Learners (EL) Executive Function Factor Analysis Foundational Skills Large Scale Assessment Limited English Proficient Students Literacy • adolescent literacy Longitudinal Studies Mathematics • mathematics tests Measurement Error Studies Middle Grades • education Middle School Phonological Decoding Predictive Validity Process Data Public Schools • elementary/secondary • secondary Reading • struggling readers Reliability Research Design Research Methodology School Readiness • evaluation • measures Secondary Education • longitudinal studies STEM (Science, Engineering, Technology, Mathematics) Student Assessment Students • middle grades • middle school • reading and writing • transition to high school Testing • standardized tests • test scores • test use Validity Word Recognition
Questions:	For questions about the content of this User's Manual/Data File Documentation, please contact: Carolyn Grim.