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  2. Instrumental variables estimation - Wikipedia

    en.wikipedia.org/wiki/Instrumental_variables...

    For example, places and times with relatively health-conscious populations may both implement high tobacco taxes and exhibit better health even holding smoking rates constant, so we would observe a correlation between health and tobacco taxes even if it were the case that smoking has no effect on health.

  3. Marshall Major - Wikipedia

    en.wikipedia.org/wiki/Marshall_Major

    The Marshall Major (Model 1967 [1]) was a bass guitar amplifier made by Marshall. It was introduced in 1967 as the "Marshall 200" (in reference to the power of the amplifier). It had a plexi panel and two inputs in one channel, but in contrast with the 100 watt heads made by Marshall, the first series had split tone controls similar to the ...

  4. Case study - Wikipedia

    en.wikipedia.org/wiki/Case_study

    A case study is an in-depth, detailed examination of a particular case (or cases) within a real-world context. [1] [2] For example, case studies in medicine may focus on an individual patient or ailment; case studies in business might cover a particular firm's strategy or a broader market; similarly, case studies in politics can range from a narrow happening over time like the operations of a ...

  5. Causal analysis - Wikipedia

    en.wikipedia.org/wiki/Causal_analysis

    Causal analysis is the field of experimental design and statistics pertaining to establishing cause and effect. [1] Typically it involves establishing four elements: correlation, sequence in time (that is, causes must occur before their proposed effect), a plausible physical or information-theoretical mechanism for an observed effect to follow from a possible cause, and eliminating the ...

  6. Situation analysis - Wikipedia

    en.wikipedia.org/wiki/Situation_analysis

    Goals and objectives: An analysis on the mission of the business, the industry of the business and the stated goals required to achieve the mission. Position: An analysis on the marketing strategy and the marketing mix. Performance: An analysis on how effective the business is achieving their stated mission and goals.

  7. Marshall Industries - Wikipedia

    en.wikipedia.org/wiki/Marshall_Industries

    Marshall Industries was sold to Avnet Inc. (NYSE:AVT) [2] The Company's dramatic transformation and growth from $400 million to $1.8 billion was chronicled in W. Edwards Deming's last book The New Economics, a Harvard Case Study, and Free Perfect and Now, [3] by Marshall President and CEO from 1992 to 1999 Robert Rodin, a protégé of Deming's.

  8. Case study (psychology) - Wikipedia

    en.wikipedia.org/wiki/Case_study_(psychology)

    Case studies are generally a single-case design, but can also be a multiple-case design, where replication instead of sampling is the criterion for inclusion. [2] Like other research methodologies within psychology, the case study must produce valid and reliable results in order to be useful for the development of future research.

  9. List of United States Supreme Court cases by the Marshall ...

    en.wikipedia.org/wiki/List_of_United_States...

    Case name Citation Summary Talbot v. Seeman: 5 U.S. 1 (1801) Marine salvage rights in time of war Marbury v. Madison: 5 U.S. 137 (1803) judicial review of laws enacted by the United States Congress: Stuart v. Laird: 5 U.S. 299 (1803) enforceability of rulings issued by judges who have since been removed from office Murray v. The Charming Betsey ...