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Interrupted time series

Method of analysis involving tracking a long-term period around an intervention

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Through Statistical inference, Time series and Statistical significance

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The method is used in various areas of research, such as:

  • political science: impact of changes in laws on the behavior of people; (e.g., Effectiveness of sex offender registration policies in the United States)
  • economics: impact of changes in credit controls on borrowing behavior;
  • sociology: impact of experiments in income maintenance on the behavior of participants in welfare programs;
  • history: impact of major historical events on the behavior of those affected by the events;
  • psychology: impact of expressing emotional experiences on online content;
  • medicine: in medical research, medical treatment is an intervention whose effect are to be studied;
  • marketing research: to analyze the effect of "designed market interventions" (e.g., advertising) on sales.
  • environmental sciences: impacts of human activities on environmental quality and ecosystem dynamics (e.g., forest logging on local climate).

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