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Work Session 1 Locating Baseline Data. Office of Research, Evaluation and Policy Studies Ximena D. Burgin, Ed.D. November 30 th , 2010. Databases. Restricted Databases Public Databases Commercial Databases Your Own. Restricted Databases:. Institute of Education Sciences (IES):
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Work Session 1Locating Baseline Data Office of Research, Evaluation and Policy Studies Ximena D. Burgin, Ed.D. November 30th, 2010
Databases • Restricted Databases • Public Databases • Commercial Databases • Your Own
Restricted Databases: • Institute of Education Sciences (IES): • Assessments • Early Childhood • Elementary / Secondary • International • Library • Postsecondary
Public Databases: • Illinois Interactive Report Card (IIRC):
Commercial Databases: • Survey of Enacted Curriculum
Commercial Databases: • California Critical Thinking Skills Survey
Your own: • Alcohol, Tobacco, and Other Drug (ATOD)
Techniques to collect data Observations Interviews Questionnaires (open-ended questions) Documents Audiovisual materials Qualitative Exploration of the unknown. Understanding of a central phenomena. Data Collection Quantitative • Trends or explanation of relationships among variables.
Data Analysis • Textual analysis (Qualitative) • Perform preliminary exploratory analysis • Code the data • Create themes • Summarize findings (choose narrative discussion) • Statistical analysis (Quantitative) • Descriptive statistics • Inferential statistics
Validity • “Whether an instrument measures what it is suppose to measure” • Appropriateness, correctness, meaningfulness, and usefulness of the specific inferences made from data
Reliability • Consistency of scores obtained from individuals • Are results repeatable from one administration of instrument to another?
Assessing reliability • Test-retest reliability • Alternate (Parallel) forms reliability • Alternate (Parallel) forms & test-retest reliability • Internal consistency reliability • Inter-Rater or Inter-Observer reliability
Inferential statistics • Generalizing from samples to populations