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- Technical Manual
- Chapter 1: Introduction
- Chapter 2: Theory and Background
- Chapter 3: Administration and Scoring
- Chapter 4: Scores and Interpretation
- 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
- Chapter 7: Standardization
- Chapter 8: Test Standards: Reliability, Validity, and Fairness
- Task Instruction Scripts
Overview |
This chapter describes three case studies in which results from the Ortiz Picture Vocabulary Acquisition Test™ (Ortiz PVAT™) contribute to the evaluation process for a native English speaker and two English learners. These cases are based on an integration of data across a number of evaluations; they do not represent any single case or person and do not include any personally identifiable information. These illustrations are intended to serve as examples of how the guidelines presented in this manual, including score interpretation and how to use the information provided in the Ortiz PVAT reports, might be applied. Dandee, Maria, and Bennie reflect complex and multi-faceted cases that are often encountered in a school or clinical setting. For these individuals, the Ortiz PVAT plays an important role in the assessment of language acquisition and specific learning disability.
| << Chapter 4: Interpretation of Ortiz PVAT Scores | Case Study 1: Clinical Evaluation of an English Speaker Suspected of Having a Speech-Language Impairment >> |