Technical Manual
Chapter 1: Introduction
Overview
Key Features of the Ortiz PVAT
Uses of the Ortiz PVAT
Administration and Scoring
Users and User Qualifications
Principles of Use
Chapter 2: Theory and Background
The Importance of Vocabulary
Vocabulary Acquisition and Language Development
Bilingualism and Vocabulary Development
Psychometric Issues in the Evaluation of English Learners
A New Direction in Testing with English Learners
Summary
Chapter 3: Administration and Scoring
Overview
General Administration Guidelines
Administration Procedure
Online Scoring
Hardware and Software Requirements
Data Security
Technical Support
Chapter 4: Scores and Interpretation
Overview
Ortiz PVAT Scores
Interpretation of Ortiz PVAT Scores
Chapter 5: Case Studies
Overview
Case Study 1: Clinical Evaluation of an English Speaker Suspected of Having a Speech-Language Impairment
Case Study 2: Progress Monitoring of an English Learner with Suspected Deficits in Verbal Ability and Language
Case Study 3: Psychoeducational Evaluation of an English Learner with Suspected Specific Learning Disability
Chapter 6: Development
Overview
Conceptualization and Initial Planning
Item Generation and Development
Pre-Pilot Phase
Pilot Phase
Standardization Phase
Final Test Construction
Chapter 7: Standardization
Data Collection Procedures
Description of Normative Samples
Standardization Procedures
Chapter 8: Test Standards: Reliability, Validity, and Fairness
Overview
Reliability
Validity
Fairness
Task Instructions Scripts
Task Instructions Scripts
English Task Instruction Script
Task Instruction Script (English)
Translated Task Instructions Scripts
Task Instruction Script (Arabic)
Task Instruction Script (Chinese)
Task Instruction Script (Russian)
Task Instruction Script (Spanish)
Task Instruction Script (Vietnamese)