chapter 8 Flashcards
experiments (18 cards)
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
field experiment
experiment is conducted outside of laboratory in natural setting
pygmalion effect
tendency to see what we expect
natural experiment
studies based on naturally occuring events
