Search for tag: "randomization"

RandTestTwoMeans duration 16 minutes 43 seconds RandTestTwoMeans RandTestTwoMeans	RandTestTwoMeans difference sample exams hypothesis score exam bar evidence scores means population students distribution confidence times difficulties difficulty randomization context tests From Vincent Melfi 201 plays 0
PolioVaccineStudy duration 14 minutes 49 seconds PolioVaccineStudy PolioVaccineStudy	PolioVaccineStudy vaccine study control polio treatment cases placebo groups factors idea effect variable response diagnosis participants graders evidence blindness shot randomization From Vincent Melfi 218 plays 0