A descriptive method in which already existing records are reexamined for a new purpose.
Case study
The descriptive record of an individual's experiences, behaviors, or both kept by an outside observer.
Deviant case analysis
A form of case study in which deviant individuals are compared with those who are not to identify the significant differences between them.
Empirical phenomenology
Contemporary phenomenology that relies on the researcher's own experiences, experiential data provided by study participants, or other available sources such as literature or popular media.
A qualitative approach.
External validity
How well the findings of an experiment generalize or apply to people and settings that were not tested directly.
Field study
A non experimental research method used in the field or in a real-life setting, typically employing a variety of techniques, including naturalistic observation and unobtrusive measures or survey tools, such as questionnaires and interviews.
Focus group
A type of group interview.
It is an organized discussion session with a small group of people.
Usually led by a trained facilitator.
Internal validity
The certainty that the changes in behavior observed across treatment conditions were actually caused by differences in treatments.
Naturalistic observation
A descriptive, non experimental method of observing behaviors as they occur spontaneously in natural settings.
Paradigm
The set of attitudes, values, beliefs, methods, and procedures that are generally accepted within a particular discipline at a certain point in time.
Participant-observer study
A special kind of field observation in which the researcher actually becomes part of the group being studied.
Phenomenology
A non experimental method of gathering data by attending to and describing one's own immediate experience.
Qualitative research
Research that relies on words rather than numbers for the data being collected.
It focuses on self-reports, personal narratives, and expression of ideas, memories, feelings, and thoughts.
Reactivity
The tendency of subjects to alter their behavior or responses when they are aware of the presence of an observer
Retrospective data
Data collected in the present based on recollections of past events.
Apt to be inaccurate because of faulty memory, bias, mood and situation.
Systematic observation
A system for recording observations.
Each observation is recorded using specific rules or guidelines, so observations are more objective.
Unobtrusive measure
A procedure used to assess subjects' behaviors without their knowledge.