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Chapter 4: Sampling and Investigating Hard Data. Instructor: Paul K Chen. Topics. The Needs for Sampling Sampling Design Kinds of Information Sought in Investigation. The Needs for Sampling. Containing costs Speeding up the data gathering Improving effectiveness Reducing bias .
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Chapter 4: Sampling and Investigating Hard Data Instructor: Paul K Chen
Topics • The Needs for Sampling • Sampling Design • Kinds of Information Sought in Investigation
The Needs for Sampling • Containing costs • Speeding up the data gathering • Improving effectiveness • Reducing bias
Sampling Design Four steps: • Determine the data to be collected or described • Determine the population to be sampled • Choose the type of sample • Decide on the sample size
Kinds of Information Sought in Investigation Types of hard Data (other than interviewing and observation • Analyzing Quantitative Documents • Reports used for decision making • Performance reports • Records • Data capture forms
Kinds of Information Sought in Investigation 2. Analyzing Qualitative Documents • Memos • Signs on bulletins boards or in work areas • Corporate Web sites • Manuals • Policy handbooks