Acrp certified
professional Exam
Questions with
Correct Answers
petel petish [Date] [Course title]
, What is the primary goal of randomization and clinical trials - Correct Answer:
To reduce selection bias and balance confounding variables between groups
What type of study design compares two or more groups to assess cause and
effect - Correct Answer: Experimental (interventional) study design
What does intention to treat analysis mean - Correct Answer: Participants
are analyzed in the groups to which they were randomized regardless of the
treatment received
What is a crossover study design - Correct Answer: Participants receive
multiple interventions in a specific sequence acting as their own control
What is the purpose of a power calculation in a clinical trial - Correct Answer:
To determine the minimal sample size needed to detect a statistically
significant effect
What is the role of a control group in aclinical research - Correct Answer: To
serve as a benchmark to compare the experimental intervention
What is a confounding variable - Correct Answer: A variable that is related to
both the exposure and outcome potentially distorting The observed
relationship
What is the difference between efficacy and effectiveness - Correct Answer:
Efficacy is a performance and controlled settings effectiveness is a
performance in real world conditions
What is an endpoint in chemical research - Correct Answer: A measurable
outcome used to assess the effect of an intervention
professional Exam
Questions with
Correct Answers
petel petish [Date] [Course title]
, What is the primary goal of randomization and clinical trials - Correct Answer:
To reduce selection bias and balance confounding variables between groups
What type of study design compares two or more groups to assess cause and
effect - Correct Answer: Experimental (interventional) study design
What does intention to treat analysis mean - Correct Answer: Participants
are analyzed in the groups to which they were randomized regardless of the
treatment received
What is a crossover study design - Correct Answer: Participants receive
multiple interventions in a specific sequence acting as their own control
What is the purpose of a power calculation in a clinical trial - Correct Answer:
To determine the minimal sample size needed to detect a statistically
significant effect
What is the role of a control group in aclinical research - Correct Answer: To
serve as a benchmark to compare the experimental intervention
What is a confounding variable - Correct Answer: A variable that is related to
both the exposure and outcome potentially distorting The observed
relationship
What is the difference between efficacy and effectiveness - Correct Answer:
Efficacy is a performance and controlled settings effectiveness is a
performance in real world conditions
What is an endpoint in chemical research - Correct Answer: A measurable
outcome used to assess the effect of an intervention
