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  2. Nonprobability sampling - Wikipedia

    en.wikipedia.org/wiki/Nonprobability_sampling

    Judgment sampling or purposive sampling, where the researcher chooses the sample based on who they think would be appropriate for the study. This is used primarily when there is a limited number of people that have expertise in the area being researched, or when the interest of the research is on a specific field or a small group.

  3. APA style - Wikipedia

    en.wikipedia.org/wiki/APA_style

    APA style (also known as APA format) is a writing style and format for academic documents such as scholarly journal articles and books. It is commonly used for citing sources within the field of behavioral and social sciences , including sociology, education, nursing, criminal justice, anthropology, and psychology.

  4. Sampling (statistics) - Wikipedia

    en.wikipedia.org/wiki/Sampling_(statistics)

    Nonprobability sampling methods include convenience sampling, quota sampling, and purposive sampling. In addition, nonresponse effects may turn any probability design into a nonprobability design if the characteristics of nonresponse are not well understood, since nonresponse effectively modifies each element's probability of being sampled.

  5. Help:Overview of referencing styles - Wikipedia

    en.wikipedia.org/wiki/Help:Overview_of...

    The in-text cite may be defined with a name so they can be reused within the content and may be separated into groups for use as explanatory notes, table legends and the like. The reference list shows the full citations with a cite label that matches the in-text cite. The cite label is a caret ^ with a backlink to the in-text cite. When a named ...

  6. American Psychological Association - Wikipedia

    en.wikipedia.org/wiki/American_Psychological...

    American Psychological Association (APA) style is a set of rules developed to assist reading comprehension in the social and behavioral sciences. Used to ensure clarity of communication, the layout is designed to "move the idea forward with a minimum of distraction and a maximum of precision."

  7. Snowball sampling - Wikipedia

    en.wikipedia.org/wiki/Snowball_sampling

    In sociology and statistics research, snowball sampling [1] (or chain sampling, chain-referral sampling, referral sampling [2] [3]) is a nonprobability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Thus the sample group is said to grow like a rolling snowball.

  8. Stratification (clinical trials) - Wikipedia

    en.wikipedia.org/wiki/Stratification_(clinical...

    Stratified purposive sampling is a type of typical case sampling, and is used to get a sample of cases that are "average", "above average", and "below average" on a particular variable; this approach generates three strata, or levels, each of which is relatively homogeneous, or alike. [1]

  9. A Manual for Writers of Research Papers, Theses, and ...

    en.wikipedia.org/wiki/A_Manual_for_Writers_of...

    Part 2 of the manual explores the two methods of citing/documenting sources used in authoring a work: (1) the notes-bibliography style; and (2) the author-date style. [3] The notes-bibliography style (also known as the "notes and bibliography style" or "notes style") is "popular in the humanities—including literature, history, and the arts ...

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