Introduction to IATA – 1.3.1. Response data (dữ liệu phản hồi)

Response data include the response of each student to each test item. The test results imported in the response data file must allow for automated scoring; this means that the item response data should include the codes representing how students actually response to items. For example, if the response data are from a multiple choice […]

Introduction to IATA – 1.3. Assessment Data (dữ liệu đánh giá)

There are two main types of data produced by and used in the analysis of assessments: response data and item data. Response data are produced by the individual learners as they answer questions on a test. A test is a specific collection of questions that evaluate a common domain of proficiency or knowledge. Individual questions […]

Introduction to IATA – 1.1. Overview

The item and test analysis software (IATA) accompanying Part II of this book is intended to help national assessment practitioners, researchers, and others analyze test item data as well as build effective assessment tools.  IATA was designed to offer a user-friendly way to address many statistical considerations related to national assessments. It targets specifically those […]