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Data Collection Strategies An Overview

Data Collection Strategies An Overview. How Do We Assess ?. Data Collection Strategies. BEFORE collecting data, your first question should be . . . . Has someone already collected the information from my sample of interest?. Personal interview Focus group Telephone poll Telephone interview

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Data Collection Strategies An Overview

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  1. Data Collection StrategiesAn Overview

  2. How Do We Assess ?

  3. Data Collection Strategies BEFORE collecting data, your first question should be . . . . Has someone already collected the information from my sample of interest?

  4. Personal interview Focus group Telephone poll Telephone interview Classroom assessment Paper/pencil survey Web survey Database/Warehouse Existing Reports Naturalistic observation Data Collection Strategies Indirect Contact Direct Contact

  5. Assessment Instruments • Standardized • “Build Your Own” When selecting assessment tools you have a choice …

  6. Proven item pool Reliability / Validity Clarity of directions Scoring Benchmark comparisons Data analysis Reporting formats Cost Processing Delay Item pool Inappropriate norms Existing Standardized Instruments Pros Cons

  7. “Build Your Own” Instruments Pros Cons • Relevant item pool • Stakeholder involvement • Theory/Model based • Lower Cost • Processing control • Data analysis control • Report format • Long development time • Local technical expertise • Unknown reliability/validity • Length • Poorly worded items

  8. Evaluating Existing Instruments • Does the title convey the content to student? • Review content of EVERY item by team. • Are items relevant to ALL students?

  9. Evaluating Existing Instruments • Does manual report reliability ? • Does manual report validity evidence? • How appropriate is normative/benchmark data?

  10. Evaluating Existing Instruments • Are results timely? • Is the cost worth the benefit?

  11. Sources for Assessment Instruments Instrument Sources

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