دسته: rencontres-adventiste visitors
You simply will not get as much responses as you wish
The fresh effect rate will hardly ever exceed 50 %. Usually, it could be nearer to 10 to 20%.
You simply can’t make certain the new participants was affiliate. People who end up being strongly from the problems are a lot apt to be to answer questionnaires than are the ones who do maybe not. Hence, just be cautious from inside the drawing results based on an effective small number of answers to a survey. ادامه خواندن