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  2. Historical method - Wikipedia

    en.wikipedia.org/wiki/Historical_method

    Historical method is the collection of techniques and guidelines that historians use to research and write histories of the past. Secondary sources, primary sources and material evidence such as that derived from archaeology may all be drawn on, and the historian's skill lies in identifying these sources, evaluating their relative authority, and combining their testimony appropriately in order ...

  3. Student's t-test - Wikipedia

    en.wikipedia.org/wiki/Student's_t-test

    From the t-test, the difference between the group means is 6-2=4. From the regression, the slope is also 4 indicating that a 1-unit change in drug dose (from 0 to 1) gives a 4-unit change in mean word recall (from 2 to 6). The t-test p-value for the difference in means, and the regression p-value for the slope, are both 0.00805. The methods ...

  4. T-groups - Wikipedia

    en.wikipedia.org/wiki/T-groups

    Industry also widely used T-groups, particularly in the 1960s and 1970s, and in many ways these were predecessors of current team building and corporate culture initiatives. A current T-group version that addresses the issue of openness is the "Tough Stuff™" workshop of Robert P. Crosby and his associates.

  5. Archival research - Wikipedia

    en.wikipedia.org/wiki/Archival_research

    Archival research lies at the heart of most academic and other forms of original historical research; but it is frequently also undertaken (in conjunction with parallel research methodologies) in other disciplines within the humanities and social sciences, including literary studies, rhetoric, [4] [5] archaeology, sociology, human geography, anthropology, psychology, and organizational studies ...

  6. Recorded history - Wikipedia

    en.wikipedia.org/wiki/Recorded_history

    Recorded history or written history describes the historical events that have been recorded in a written form or other documented communication which are subsequently evaluated by historians using the historical method. For broader world history, recorded history begins with the accounts of the ancient world around the 4th millennium BCE, and ...

  7. t-statistic - Wikipedia

    en.wikipedia.org/wiki/T-statistic

    Most frequently, t statistics are used in Student's t-tests, a form of statistical hypothesis testing, and in the computation of certain confidence intervals. The key property of the t statistic is that it is a pivotal quantity – while defined in terms of the sample mean, its sampling distribution does not depend on the population parameters, and thus it can be used regardless of what these ...

  8. Quantitative history - Wikipedia

    en.wikipedia.org/wiki/Quantitative_history

    Quantitative history is a method of historical research that uses quantitative, statistical and computer resources. It is a type of the social science history and has four major journals: Historical Methods (1967– ), [1] Journal of Interdisciplinary History (1968– ), [2] the Social Science History (1976– ), [3] and Cliodynamics: The Journal of Quantitative History and Cultural Evolution ...

  9. Outline of history - Wikipedia

    en.wikipedia.org/wiki/Outline_of_history

    Local history – study of history in a geographically local context; Military history – study of warfare and wars in history; Naval history – branch of military history devoted to warfare at sea or in bodies of water; Paleography – study of ancient texts; Philosophy of history – philosophical study of history and its discipline.