What are the main methods used by Human Scientists?

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What are the main methods used by Human
Scientists?
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Introspection

• Examining and recording ones own thought
  processes, sensations, and feelings.

3
Participant observation

• Observing
• Describing
• Recording behaviour

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Non-Participant observation

• Investigator making observation without the
  knowledge of participants

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Controlled experiments

• An attempt to control all the variables

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Surveys

• Questionnaires

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Official and unofficial data

• Statistics
• Lies, damn lies and statistics
• (attributed to Benjamin Disraeli)