Number of questionnaires distributed by the original return filed 46.46 and a unique selection of completed questionnaires, which can lead to data analysis of 46 100 percent original.
46 to keep the night by handing out questionnaires to all 46 original and exclusive screening questionnaire to complete, which can be used to analyze data in the 46 to 100 percent.
By the questionnaire of 46 original keep back the 46 version And selecting only complete questionnaires which can be applied to analyze the 46 accounted 100 radio