Randomized Controlled Trials Questions
with Correct Answers A+
RCTs maximize this - ✔✔internal validity
broad definition of control - ✔✔adherence to protocol
specific definition of control - ✔✔group used as a comparison
attrition - ✔✔study dropout
selection bias - ✔✔no equal chance of allocation into either treatment or control group
minimizing selection bias - ✔✔randomization
performance bias - ✔✔differences in care between treatment groups
minimizing performance bias - ✔✔blinding
attrition bias - ✔✔differential dropout of patients in treatment and control groups; often due to
side effects in treatment group
minimizing attrition bias - ✔✔intent-to-treat analysis
with Correct Answers A+
RCTs maximize this - ✔✔internal validity
broad definition of control - ✔✔adherence to protocol
specific definition of control - ✔✔group used as a comparison
attrition - ✔✔study dropout
selection bias - ✔✔no equal chance of allocation into either treatment or control group
minimizing selection bias - ✔✔randomization
performance bias - ✔✔differences in care between treatment groups
minimizing performance bias - ✔✔blinding
attrition bias - ✔✔differential dropout of patients in treatment and control groups; often due to
side effects in treatment group
minimizing attrition bias - ✔✔intent-to-treat analysis
