Research report
MAP Growth item parameter drift study
January 2022
By: Wei He

Description
This report documents the results of an item parameter drift study designed to check the parameter stability of MAP Growth items.
View AssetTopics: Computer adaptive testing
Related Topics


Executive Summary: Content proximity spring 2022 pilot study
This executive summary outlines results from the Content Proximity spring 2022 pilot study, including information on the validity, reliability, and test score comparability of MAP Growth assessments that leverage this new item-selection algorithm.
By: Patrick Meyer, Ann Hu, Xueming (Sylvia) Li
Products: MAP Growth
Topics: Computer adaptive testing, Innovations in reporting & assessment, Test design


Content Proximity Spring 2022 Pilot Study Research Report
The purpose of this research report is to provide detailed information about updates to the MAP Growth item-selection algorithm. This brief includes results from the Content Proximity pilot study, including information on the validity, reliability, and test score comparability of MAP Growth assessments that leverage this new item-selection algorithm.
By: Patrick Meyer, Ann Hu, Xueming (Sylvia) Li
Products: MAP Growth
Topics: Computer adaptive testing, Innovations in reporting & assessment, Test design


English MAP Reading Fluency technical report
This technical report documents the processes and procedures employed by NWEA to build and support the English MAP Reading Fluency assessment.
By: Fang Peng, Kang Xue, Carmen Hall, John Newburn
Products: MAP Reading Fluency
Topics: Test design, Computer adaptive testing, Reading & language arts


An investigation of item parameter invariance using focused calibration samples for MAP Growth
Two studies were conducted to evaluate whether the existing MAP Growth item parameter estimates are invariant across different calibration samples.
By: Wei He
Products: MAP Growth
Topics: Computer adaptive testing


Spanish MAP Growth Reading technical report
This technical report documents the processes and procedures employed by NWEA to build and support the Spanish MAP Growth Reading assessment.
By: Shudong Wang, Patrick Meyer, Carmen Hall, Teresa Krastel, Adam Withycombe
Products: MAP Growth, MAP Spanish
Topics: Test design, Assessments in Spanish, Computer adaptive testing


Simulation study for evaluating MAP Growth item pools with grade-level constraints
This simulation study examines the measurement precision, item exposure rates, and the depth of the MAP Growth item pools under various grade-level restrictions.


The purpose of this literature review is to study the advantages and limitations of various through-course summative assessment models with the goal of informing the design of the NWEA through-year solution.
By: Garron Gianopulos
Topics: Test design, Computer adaptive testing