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research_methods:evaluating_causal_claims [2017/12/19 15:01] (current)
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| | ===== Evaluating causal claims ===== |
| | {{topic>external_invalidity internal_invalidity statistical_conclusion_validity reverse_causation group_threat selection time_threats maturation history attrition panel_mortality contamination +research_methods:video}} |
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| | ===== Assignments ===== |
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| | {{topic>external_invalidity internal_invalidity statistical_conclusion_validity reverse_causation group_threat selection time_threats maturation history attrition panel_mortality contamination +research_methods:assignment}} |