Research Design and Collecting Data

Research Design and Collecting Data - –...

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Research Design and Collecting Data • Population—the total number of “whatever” that is going to be studied • Random sample is a portion of the total population—all have an equal chance • A sample is a portion of the population • Representative—sample looks like total • Sampling frame—complete list of population –usually not possible Step 4-Research Design and Collecting Data • Methods of data collection – Self-administered questionnaire
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Unformatted text preview: – Interviews—face-to-face or phone • Structured—wording set in advance • Unstructured—flexible and open-ended Step 4-Research Design and Collecting Data • Observations—listening and recording of information on people – Nonparticipant—detached observations – Participant—joining the group • Hawthorne Effect—altering behavior if they know they are being watched • Secondary sources—data collected for one reason used for another— census, birth, death records, movies, graffiti, etc...
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