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Research Methods

TermDefinition
Hindsight Bias Tendency to believe, after learning the outcome, that you knew it all along
Operational Definition Carefully worded statement of the exact procedures used in a research study
Case Study Detailed investigation used to examine an individual or group in hopes of revealing a universalizing idea.
Naturalistic Observation Observing/recording behavior in natural environment
Survey Method of collecting self-reported data from a group of people
Experiment A study that manipulates a variable to find cause and effect.
Control Group A group in an experiment that does not receive the treatment
Experimental Group A group in an experiment that receives the treatment
Population All those in a group being studied from which samples may be drawn
Random Sample Fairly represents a population since everyone has an equal chance of inclusion
Representative Sample Participants closely match the characteristics of the population
Convenience Sample Collecting from a readily available group
Random Assignment Each participant has an equal chance of selection for the experimental and control group
Double-Blind Procedure A setup where neither participants nor researchers know who gets the treatment.
Placebo A fake treatment given to control groups to compare effects
Independent Variable A factor that the researcher manipulates in an experiment
Dependent Variable A factor that the researcher measures in an experiment.
Statistical Significance Shows results are likely real, not due to chance.
Effect Size A measure of how meaningful the relationship is in a study.
Standard Deviation Average difference between each score in the mean
Quantitative Measures Numerical data that can be analyzed statistically
Qualitative Measures Non-numerical data that describes qualities or characteristics.
Meta-analysis A technique that combines multiple studies to identify overall trends
Created by: yatin24
 

 



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