滚雪球抽样 meaning in English

snow sampling

" army career change cadre places tentative method " implements in the recent five years , army career change cadre in it facing choice again employment opportunity time has made the different choice , some choice country plan assignments way employment , some choice independent choosing professions way placements
本文采用了实证调查的研究方法。采取“滚雪球抽样”的方法,采用访谈问卷的方式,由调查员直接入户对军队转业干部进行访谈、调查。