Using samples of students may result in threats to internal validity because the results are not generalizable.
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Get it written →Using samples of students may result in threats to internal validity because the results are not generalizable.
a- true
b- false
2- The difference between a classic cohort study and a randomized controlled trial is the selection of the study population
a- true
b- false
3- Randomly allocating individuals to groups to intervention or control groups is known as randomization.
a- true
b- false
4- Which of the following is a limitation of an RCT?
a- Does not protect against confounding
b- Does not provide good causality evidence
c- Cannot always randomly assign a treatment
d- All of above
5- When is an RCT study design appropriate?
a- Exposure is a modifiable factor
b- Intervention outweighs potential risks
c- Intervention is significantly different from the control
d- All of above
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