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Research Terms

Social Research

TermDefinition
Quasi-Experimental Type of research typically identified as being void of randomization of either subjects or treatment and/or lack of comparison groups.
Single Subject Design Subjects serves as his/her own control, rather than using another individual/group.
Randomized Assignment Randomized studies measure the effect of an intervention by randomly assigning groups or individuals to either an intervention group or a control group.
Validity In Social research, concept which a procedure to measure the quality data is intended to measure.
Internal validity Confidence that can be placed in the cause and effect relationship in a study.
Exploratory Study Type of study used to explore or gain insights into a phenomenon.
Construct Validity The degree to which a test measures what it claims, or purports, to be measuring being investigated.
Correlation A mutual relationship or connection between two or more things. A mutual relation; a pattern of variation between two phenomena in which change in one is associated with.
Dependent Variable phenomenon being tested or measure a new stimulus, condition, or treatment is introduced.
Experimental Group A collection of subjects who are matched and compared with a control group in all relevant respects, except that they are also subject to a specific variable being tested.
Experimental Study Research under controlled conditions, being investigated are randomly selected and systematically compared with control groups, w/ treatment variables to the experimental group but not the control group & use of statistical analysis for difference.
External Validity The extent to which study findings can be generalized beyond the sample used in the study.
Independent Variable This is a factor that can be varied or manipulated in an experiment.
Inter-Rater Reliability The degree to which different people give similar scores for the same observations; refers to the consistency of a measure.
Literature Review The process of search published work to find out what is known about a research topic.
Longitudinal Study Repeated testing of the same phenomenon or group of subjects over an extended period.
Mean The average value or measure of central tendency.
Median The middle score.
Mode The value that occurs most frequently.
Null Hypothesis A statement that no relationship exists between study variables.
Pilot Study Procedure testing & validating a questionnaire or other instrument to a small group of respondents from intended test population to help determine the how to test items for widespread use.
Posttest A questionnaire or other data-gathering instrument administered to subject at the end of a specified period of inquiry.
Pretest A questionnaire or other data-gathering instrument administered to a subject just before a period of inquiry that provides a baseline for comparison with the end results.
Qualitative Research Systematic investigations that include inductive, in-depth, studies of individuals, groups, organizations, or communities; focuses on the why and how of decision making to better understand human behavior.
Quantitative Reserch Systematic investigations that include descriptive or inferential statistical analysis.
Concurrent Validity The measure of how well a particular test correlates with the previous validated measure.
Created by: Seanbecker
 

 



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