6 Written questions
5 Multiple choice questions
- The designer knows who the control group is and who gets what.
- Those that feel more strongly on a topic and are willing to respond.
- Subjects that are assigned to treatments randomly.
- A study that imposes a treatment on individuals to compare the responses to different levels of such treatment.
5 True/False questions
Simple Random Sample → Each individual in the population has an equal and independent chance of being selected.
Bias → A treatment designed to have no effect but to resemble the actual treatment being used.
Sample → A subset or portion of the population that was selected as a representative.
Convenience Sample → Each individual in the population has an equal and independent chance of being selected.
Nonresponse Bias → Those that feel less strongly on a topic and are not willing to respond.