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LU 5 Quantitative Research - Coggle Diagram
LU 5 Quantitative Research
Criteria of a Well-designed
Experiment
Adequate information
from the data
uncontaminated data
basis for comparison
no confounding of
relevant variables
lack of artificiality
representativeness
adequate experimental
control
parsimony
Types of Experimental
Validity
external validity
internal validity
Types of Experimental
Design
solomon four-group
design
pretest-posttest control
grouop design
factorial designs
repeated measures
designs
posttest-only control
group design
Interpreting Experiment
Results
implications for the
experimental treatment
patterns in the data
Experiment
experimental design:
design of any task that
aims to describe the
variation of info under conditions
that are hypothesised
to reflect the variation
experimental variables:
variable whose values
are independent of changes
in the values of other
variables
experimental research:
method of gathering info
and data on a subject through
observation in controlled
setting