leveraging tech enhanced items without sacrificing psychometrics
TRANSCRIPT
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The Best of Both Worlds: Leveraging TEIs Without Sacrificing
PsychometricsNathan Thompson, Karen Peters, David Saben, Terry Ausman
Assessment SystemsCharles County Public Schools
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Tech-Enhanced Items (TEIs)
■ Technology has enabled a brave new world in item development
■ Lots of effort to use tech
■ But what is the real goal?
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The Landscape
■ Education PARCC SBAC ESSA PISA
■ Pre-Employment Fidelity
■ Certification NCCA and ANSI
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The Scenario
■ Pre, Post, and Formative■Many courses & tests■ CBT and Paper■ Students scored with IRT and scaled■ Need to report scores immediately or
quickly
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The Scenario
■ All work is done in house Item development Form assembly Delivery ECR marking Scoring and reporting
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The Scenario
■Maryland is in PARCC■ Several years ago, we faced a need to
stay current■ TEIs were one of the big issues■Other major needs:
Essay Scoring module Role-based score reporting module Formative bank
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The Scenario■ High level need:
A system that allows a single school district to develop a ton of tests at a professional level like a testing company
■ Specific needs: PARCC TEIs scored
with IRT in real time PARCC ECRs scored
with IRT as quickly as possible
(and more!)
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The Solution
■ PARCC-style TEIs■ First, categorize functionality
Drag and drop image- Number line- Bivariate plane- Labeling map/figure/diagram
Drag and drop text to lists- Single list- Multi list
Drag and drop to text blanks- Ranking/Sequence- Simple equations
Equation editor12/2/2014
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The Solution
■ Constructed response Brief CR- Real time scoring- Dichotomous typically
Extended CR- Post-window scoring- Polytomous typically
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The Solution
■ IRT What models are needed?- Dichotomous models- Generalized partial credit model
Where will they be defined for usage? How are they calibrated?
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The Solution
■ IRT What functionality is needed?- System knows which model is relevant for item types- Estimate item parameters from data- Store item parameters in item bank- Use item parameters for test assembly- Use item parameters for scoring
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The Solution
■ Re-train item writers: Paper No, we can’t just
deliver all tests on paper and scan in images!
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The Solution
■ Re-train item writers: Rethink Rethink how you construct items Before: Define a linear equation that ___- Tell student to write it down
Now: Define a linear equation that ___- Drag and drop symbols to boxes- Use an interactive equation editor- Can we do even better?
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The Solution
■ Re-train item writers: Scoring In previous example, how will you define scoring
for either tech approach?- Each blank worth 1 point?- If equation editor, exact or evaluated?
Integer scores only!
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The Solution
■ Items that must be hand-scored Rubric definitions (must be reusable) Rubrics assigned to items Item marking- Dashboards- Teacher screens- Admin screens
Obtaining results
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The Recap
■What was our goal?
■What was our need?
■What was the solution?
■ How did it turn out?
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The Recap
■ There are lots of item types possible! Choose wisely.
■ Keep the goal in mind■ Don’t forget the item
writers
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