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	Superior Test Development Process CTB's test development and research professionals conducted an extensive analysis of national, state, and local standards and curricula. We worked with teachers, administrators, and curriculum specialists to ensure that the new assessments present content that matches instruction and reflects the design of contemporary curricula. Our test development staff created detailed specifications based on learning objectives and established rigorous standards for content, page design, grade-level appropriateness, and equity.
		CTB's test development process starts with the assumption that a test is only as good as its content. All items in this edition are new items written by CTB's staff of professional item writers specifically for this new assessment series.
		All assessment materials were carefully reviewed for content and editorial accuracy. Artists and designers worked with the writers during development to ensure graphic and textual consistency.
		An integral part of the development was documentation of content using curriculum frameworks and major basals or textbooks. This procedure ensured that every item is grade-targeted and sound in content and format.
		The developers of TerraNova, The Second Edition gave careful attention to questions of ethnic, racial, gender, regional, and age bias. All materials were written and reviewed to meet stringent policies for equitable assessment. Educators from different parts of the country and different ethnic groups reviewed all assessment materials for equity in language, subject matter, and representation of people.
		TerraNova, The Second Edition is designed to minimize the effect of speededness-the effect of time limits on student scores-and maximize the validity and instructional relevance of the test results. To ensure the most valid and useful measures of achievement possible, CTB set appropriate administration time limits that facilitate completion of the test.