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13 terms

research methods EXPERIMENTAL METHODS

STUDY
PLAY
lab exp
controlled conditions, artificial enviroment, researcher diliberatly manipulates the independent variable and measures effect on dependent
lab exp
carefully designed and controlled can be repeated so reasearcher can be confident in reliablitly
lab exp
lacks ecological validity as artificial enviroment
lab exp
participants may display demand characteristics
field exp
experimenter still manipulates the independent variable but experiments are in participants natiral enviroment
field exp
more ecological validity than lab
field exp
participants may be less conscious or unaware they are in an experiment so less likely to show demand characteristics
field exp
less control of extraneous variables
natural exp
researcher doesnt have direct control over the independent variable it varies naturally and the effect on the dependent variable is recorded
natural exp
high ecological validity
natural exp
less conscious or unaware so no demand characteristics
natural exp
no direct control over independent variable or extraneous variables
natural exp
difficult to replicate so cant check reliability