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Quantitative research, experimental designs: - Coggle Diagram
Quantitative research
THE 3 TYPES OF QUANTITATIVE RESEARCH
Correlational studies
no variables controlled
variables are only measured and the relationship between them quantified
cant do cause-effect deductions since the causation is not measured
Descriptive studies
variables not investigated and the variables are approached separately
Experimental studies
independent and dependent variable
only method that allows cause-effect conclusions
Bias
random
stratified
convenience (opportunity) sampling
self-selected sampling
different experiments:
quasi-experiment
true field experiment
real-life settings
true experiment
A true experimental method must include a control group and at least one experimental group that are randomly assigned and a researcher-manipulated variable.
natural experiment
true laboratory experiment
these experiments are conducted in a room or a suite of rooms dedicated to that purpose.
experimental designs: