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• Research


  A systematic, objective way to generate facts
• Subjects


  The people who are being studied
• Concepts


  The building blocks of theories
• Theory


  An generalization that presents a representation about relationships among phenomena
• Variables


  A quality of interest or concepts that can be manipulated, observed or studied
• Independent variable


  The concept being studied that usually indicates the influence or cause; the one that the researcher is manipulating
• Dependent variable


  The concept that the researcher is most interested in understanding
• Extraneous variables


  Variables that may influence or contaminate the data
• Heterogeneous groups


  Groups under study are very different or varied
• Homogeneous groups


  Groups that are very similar
• Conceptual definition


  A variable, such as anxiety, may be defined as a feeling of uneasiness
• Hypothesis


  A statement written by the researcher that states the relationship among or between variables
• Quantitative research


  Approach that uses data that has numerical representation or values
• Qualitative research


  Approach that uses narrative data
• Deductive reasoning


  Basis for the quantitative research approach
• Relationship


  The bond or connection between two variables
• Applied research


  Conducted to generate knowledge that influences or improves practice
• Basic research


  Research that tests theories
• Validity


  Accuracy, the extent to which a test or study measures what it is supposed to measure
• Random sample


  Everybody has the same chance of being assigned to any group
• Standard deviation


  A measure of spread; the average deviation of a group of scores from the mean
• Statistics


  Mathematical tools based on the normal curve used to analyze data
• Statistical significance


  An important finding that did not likely happen by chance
• Research design


  The method for finding out what the researcher wants to know, experiment, and correlate

  
• Sample


  A smaller group that represents population of interest
• Quantitative research


  Answer a specific research question by showing statistical evidence that the data may be addressed in a particular way (experimental)
• Qualitative research


  Trying to verify or generate descriptive theory that is grounded in the data gleaned from the investigation (naturalistic)
• Questionnaire


  Structured sets of questions on specified subjects that are used to gather information
• Delimitations


  It addresses how the study will be narrowed in scope
• Data


  Information used as a basis for reasoning, discussion, or calculation
• Constitutive definition


  The basic, dictionary meaning
• Abstract


  A brief overview of a research study
• Control group


  In experiments, the one that does not get the treatment
• Experimental group


  The one that gets the treatment
• Descriptive study


  Research design that describes "what is" e.g. a survey
• Experiment


  A research design used to find "cause-effect" relationships the "effect of…on…"
• Independent variable


  The concept that the researcher is manipulating
• Research is a systematic, objective way to generate facts
• Heterogeneous groups are groups under study that are very different or varied
• Homogeneous groups are groups that are very similar