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Experimental Research Strategy - Coggle Diagram
Experimental Research Strategy
Cause & Effect
Third Variable Problem
Directionailty Problem
Confounding Variables
if an extraneous variable influences DV
must vary systematically with IV
Control CV
Holding variables constant
matching values across treatment conditions
Randomization
Basic Elements
Manipulation
...of independent variable
Levels of IV
Measurement
measure effect on
dependent variable
Comparison
Control
for extraneous variable
Third-Variable Problem
Control Group
No Treatment
Placebo
outcome research
process research
Manipulation Check
1 Participant manipulation
2 subtle manipulation
3 Simulations
vs field study
4 Placebo