chapter 8 Flashcards
experiments
classical experiment
researching effect of a stimulus
pretesting
measuring DV before exposure
posttesting
measuring DV after exposure
control group
does not receive treatment
experimental group
receives treatment
double-blind experiment
design where neither the participants nor the researches knows who is in what group
hawthorne effect
subjects alter behaviour as a response to being observed
randomization
randomly assigning subjects to either experimental or control group
preexperimental design
not up to standards
one-shot case study
DV is measured after treatment, no control group
one-group pretest-posttest design
includes a pretest and posttest, no control group
static-group comparison
compares experimental and control group, no pretest
internal invalidity
potential errors that arise within experiment
external invalidity
issues affecting the generalizablity of results
solomon four-group design
two experimental, two control, only two are pretested