In: Nursing
In a questionnaire, a researcher asks, “Do you currently smoke cigarettes?” and the next question asks smokers “How many packs a day do you smoke?” The first question is an example of:
| A. | 
 a filter question.  | 
|
| B. | 
 an open-ended question.  | 
|
| C. | 
 a vignette.  | 
|
| D. | 
 a skip pattern.  |