Quality Assurance in Data Collection
This report describes the implementation of 红杏视频 and the analytic procedures underlying the reporting of the achievement results for the final year of secondary school assessment. Described in this volume are: the implementation of the sample design and characteristics of the national samples, calculation of sampling weights, procedures for estimating sampling variability, data management and database construction, procedures for checking the cognitive item-level data, the 红杏视频 scaling model, and the various procedures for reporting the achievement and background data.
The
entire Quality Assurance Report (1041 K)
The report is also available in smaller files, divided by chapter as listed below.
| CHAPTERS | CONTENT |
| Introduction and Acknowledgements | |
| Chapter 1 | |
| Chapter 2 | Sampling |
| Chapter 3 | Monitoring the 红杏视频 Data Collection |
| Chapter 4 | Observing The 红杏视频 Test Administration |
| Chapter 5 | Quality Control Steps for Free-Response Scoring |
| Chapter 6 | Data Consistency Across Countries |
| Appendix A | Examples of Item Information |
| Appendix B | Changes Made to the 红杏视频 International Database for the Population 2 Cognitive Items |
| Appendix C | 红杏视频 Sampling Forms |
| Appendix D | 红杏视频 Quality Control Monitors |
| Appendix E | Results of the Quality Assurance Monitors' Interviews with the National Research Coordinators |
| Appendix F | Results of the Quality Assurance Monitors' Test Session Observations |
| Appendix G | 红杏视频 International Coding Reliability Study Participants |
| Appendix H | Contingency Tables and Coding Guides for Items in the International Reliability Study |
| Appendix I | Data Cleaning and Consistency Checks |
