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Autobiography  Life stories written by persons about themselves.
Biographical study  A form of qualitative research in which the researcher works with the individual to clarify important life experiences
Case study  An in-depth investigation of an individual, group, or institution to determine the variables, and relationship among the variables, influencing the current behavior or status of the subject of the study.
Confirming sample  In qualitative research, a sample selected to validate or extend previous findings.
Critical sample  In qualitative research, a sample considered to be enlightening because it is unusual.
Extreme case sample  A purposive sampling method used to study extreme or exceptional cases to heighten understanding (e.g., by exposing implicit assumptions and norms).
Foreshadowed problem  The problem or topic that serves, in a general way, as the focus for a qualitative inquiry.
Generalization in qualitative research  A statement or claim that applies to more than one individual, group, object or situation.
Grounded theory study  A form of qualitative research which derives interpretations inductively from raw data with continual interplay between data and emerging interpretations.
Homogeneous sample  In qualitative research, a sample selected in which all members are similar with respect to one or more characteristics.
Intrinsic case study  One that attempts to generalize beyond the particular case.
Instrumental case study  One that focuses on a particular individual or situation with little effort to generalize.
Life histories  A form of biographical study that combines autobiography and biography.
Maximal variation sample  In qualitative research, a sample selected in order to represent diversity in one or more characteristics.
Multiple-(collective) case study  A study of multiple cases at the same time.
Narrative research  Study of the life experiences of an individual as told to the researcher or found in documents and archival material.
Opportunistic sample  In qualitative research, a sample chosen to take advantage of conditions that arise during a study.
Oral history  Personal reflections of events and their causes gathered from one or more individuals.
Phenomenological study  A form of qualitative research in which the researcher attempts to identify commonalities in the perceptions of several individuals regarding a particular phenomenon.
Portraiture  A form of qualitative research in which the researcher and the individual being portrayed work together to define meaning.
Positivism  A philosophic viewpoint emphasizing an 'objective' reality which includes universal laws governing all things including human behavior.
Postmodernism  An intensive criticism of scientific research.
Purposive sample  A nonrandom sample selected because prior knowledge suggests it is representative, or because those selected have the needed information.
Qualitative research  Research in which the investigator attempts to study naturally occurring phenomena in all their complexity.
Replication  Refers to conducting a study again; the second study may be a repetition of the original study, using different subjects, or may change specified aspects of the study.
Snowball sample  In qualitative research, a sample selected as the need arises during a study.
Theoretical sample  In qualitative research, a sample that helps the researcher understand or formulate a concept or interpretation.
Typical sample  In qualitative research, a sample judged to be representative of the population of interest.







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