ch-7-Data-Collection-I-Available-data

ch-7-Data-Collection-I-Available-data - Data Collection...

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Dr. G. Johnson, www.researchdem 1 Data Collection Toolkit I: Available Data and Observation Research Methods for Public Administrators Dr. Gail Johnson
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Dr. G. Johnson, www.researchdem Steps in the Research Process Planning 1. Determining Your Questions 2. Identifying Your Measures and Measurement Strategy 3. Selecting a Research Design 4. Developing Your Data Collection Strategy 5. Identifying Your Analysis Strategy 6. Reviewing and Testing Your Plan 2
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Dr. G. Johnson, www.researchdem Toolkit: Available Data Files/records Computer data bases Other reports Census data Documents (budgets, policies and procedures, organizational chart, position descriptions, staff, etc.) d 3
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Dr. G. Johnson, www.researchdem Data Collection:Agency Records Agencies may have already collected the data: from clients, community, internal information systems. Agencies may have already summarized and reported information: internal management reports, budget documents, and reports to public or funding agencies.
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Dr. G. Johnson, www.researchdem Existing Reports Routine and special reports may already exist. Fully cite any reports used. Describe the methodology used for each report. Sometimes the data is old: Decide whether it is too old. Decide whether it can be used as a baseline. Replicate their data collection strategy using the same exact measures
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Dr. G. Johnson, www.researchdem Available Computer Data Obtain a copy of the data files Obtain a copy of the database structure (how the data set is laid out). Obtain a copy of the data dictionary (how the data is labeled and coded). Transfer data with a minimum of effort (no re- typing)
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Dr. G. Johnson, www.researchdem Available Computer Data But how good is the data? Garbage in, garbage out applies. Find out procedures used to collect data. Find out procedures used to verify accuracy. Estimate the error rate.
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Dr. G. Johnson, www.researchdem Available Data Which of these are likely to be available? Graduation rates for last year Budget expenditures for school construction Teacher commitment to teaching Student performance Student satisfaction with the learning experience 8
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Dr. G. Johnson, www.researchdem Available Data: Key Issues If others collected the data, you want to know enough to determine whether the data are: Valid Reliable Accurate 9
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Dr. G. Johnson, www.researchdem Available Data: Key Questions How did they operationalize their measures? How did they collect the data? How did they ensure accuracy in collecting and transcribing data? 10
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Available Data Advantages: Often cheaper and faster than collecting data yourself. Challenges:
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ch-7-Data-Collection-I-Available-data - Data Collection...

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