Elements: V

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• Value-added model for measuring school and teacher performance in DC Public Schools (IMPACT and TEAM) - A value-added statistical model designed for the District of Columbia Public Schools to measure school and teacher performance for the IMPACT and TEAM evaluation systems.
• Value-added models (VAMs) developed and estimated for Phase 1 of the Pennsylvania Teacher and Principal Evaluation Pilot - The article describes a set of value-added models (VAMs) developed and estimated as technical assistance for Phase 1 of the Pennsylvania Teacher and Principal Evaluation Pilot.
• Value-added models developed for estimating Pennsylvania teacher and principal contributions to student achievement growth - The report describes value-added models developed to estimate the contributions of Pennsylvania teachers and principals toward the achievement growth of their students.
• Value-added models estimating teacher and school contributions to student achievement in Pittsburgh Public Schools - Value-added models developed by Mathematica for Pittsburgh Public Schools, commissioned by the district and the Pittsburgh Federation of Teachers.
• Value-added models using end-of-course assessments or commercially available tests instead of state assessments - One of the two alternative measure types profiled in the report: value-added models that substitute different assessment sources for typical state assessments.
• Video Prompts - Video prompts are short video clips used to launch attention, curiosity, discussion, or analysis.
• Video-based lesson-debrief cycles with teacher teams in schools - Within a research-practice partnership with a professional development organization for secondary mathematics teachers, the team designed "a system for video-based feedback on teachers' instruction,"
• Video-Based Reflection - Video-based reflection is the element in which learners or practitioners review recorded performance to analyze choices, patterns, and next steps.
• Virtual Whiteboards - Virtual whiteboards are the element in which learners sketch, annotate, and collaborate in a shared digital visual workspace.
• Visual Imagery - Visual imagery asks learners to form or use mental pictures — or supports them with concrete images — so that verbal content is encoded in both visual and verbal channels.
• Visual Imagery four-step spelling strategy used as the comparison intervention in the 1990 RCT - Visual Imagery is a spelling strategy in which students form mental images of words rather than analyzing their letter–sound structure.
• Vivaldi individual school report (Unit 8888) as a longitudinal outcome-tracking artifact - This artifact is a school-specific tracking report that follows one elementary school's graduates into Chicago Public Schools high schools and Academic Preparatory Centers.
• Vocabulary assistance embedded directly in the text - Vocabulary help, such as pronunciation and glossing of difficult terms, embedded directly in the text as one of the enumerated aid types.
• VoiceThread interpersonal audio discussion activities for L2 pronunciation practice - VoiceThread is a web-based multimedia tool used in this study to deliver three collaborative interpersonal audio discussion activities in introductory French.
• VR radiopharmaceutical administration training module with clinically measured radiation field visualization - A VR training module for radiopharmaceutical administration built in Unity with a VIVE Pro Eye HMD, trackers, and VR gloves, integrating a radiation visualization system constructed from spatial dose
• VR-based learning environment for beginning driver instruction - A desktop VR-based learning environment developed to teach traffic rules and traffic signs to beginning car drivers in Malaysia, addressing limitations of the existing lecture- and reading-based progr