In a randomized control trial, if the participant and the
physician/researcher don’t know to which group the participant is
assigned, but the data analyst does, we say the study is...
a) not blinded
b) blind
c) double blind
d) triple blind
The randomized control clinical trial is the standard by which
all trials are judged since other designs have certain undesirable
fe
Why is randomization an important feature in a controlled
experiment? List the advantages of a randomized controlled
trial.
What is the definition of a confounding variable? How does
randomization mitigate this problem?
how do economists use regression to simulate a randomized
control trial?
a. include a basic equation and note which variable captures the
causal effect, why that is so, and how the resulting coefficient is
interpreted
Descriptions of each major types of epidemiologic study:
- randomized controlled trial,
- cohort,
- case-control
Strengths for 2 Strengths
weaknesses 2 weaknesses
Identify a type of design (e.g., randomized trial,
prospective study, descriptive study, case-control study, etc). for
each of the studies
Fifteen hundred adult males working for Locheed Aircraft are
recruited to participate in a study of coronary heart disease.
Every 3 years they are examined for new occurrences of this
disease. Coronary heart disease rates are compared among groups
defined by personal characteristics as they were recorded at the
beginning of the study.
A random sample of middle-age sedentary females...
What is the primary difference between a randomized clinical
trial and a prospective cohort study?
a) In a randomized clinical trial, patients choose their
exposure
b) In a randomized clinical trial, patients are randomly assigned
to exposure groups
c) In a prospective cohort study, investigators can never be
blinded
d) All of the above
e) None of the above