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Quantitative Research - Coggle Diagram
Quantitative Research
Experimental Research
Research Design
Independent Variables (at least one)
Dependent Variable
Experimental validity
Internal validity
External validity
Types of designs
Solomon four-group design
Factorial designs
Pretest-posttest control group design
Repeated measures designs
Posttest-only control group design
Quasi--experimental research
Lack of random selection
Types of designs
posttest-only, nonequivalent control group design
pretest-posttest, nonequivalent control group design
Interpreting result
Effect
Not effect
Survey Research
Data collection method
Self report instruments
Observation
Survey frequency
Cross-sectional survey (one time)
Longitudinal survey (>=2 times)
Interview
more time, high cost, less respondent
Question types
Unstructured
Semi-structured (commonly used)
Structured
Questionnaire
less time, less cost, more samples
Question types
structured (closed-ended) questions [most]
unstructured (opened-ended) questions [1~2]
Correlation Research
Types of correlation research
Relationship studies
Determine the relationship between the variables
Prediction studies
Use these relationships to make prediction
Processes
Participant and instrument selection
Design and procedure
Problem selection
Data analysis and interpretation