4.2 vocab ap stats
observational study
response variable
explanatory variable
confounding
experiment
placebo
treatment
experimental unit
subject
factor
levels
control group
placebo effect
double-blind
single-blind
random assignment
control
replication
completely randomized design
block
randomized block design
matched pairs design
observational study
response variable
explanatory variable
confounding
experiment
placebo
treatment
experimental unit
subject
factor
levels
control group
placebo effect
double-blind
single-blind
random assignment
control
replication
completely randomized design
block
randomized block design
matched pairs design