Aresearcher has decided to do a study with people who have adopted children from outside the united states. he talks with a friend, whom he knows recently adopted, and asks if he would consent to an interview. he interviews his friend, and then asks his friend if he could give his contact information to other people who have recently adopted children from outside of the united states. his friend shares the researcher's contact information with five friends. the researcher eventually interviews those five people and asks them to share his contact information with any adoptive families in their friendship networks. this sampling technique is known as:

Journey stations were established throughout the mongol empire every miles.

One similarity between the student non-violent coordinating committee (sncc) and the southern christian leadership conference (sclc) is that they both

But on an april morning in 1959, i heard a mother of four, having coffee with four other mothers in a suburban development fifteen miles from new york, say in a tone of quiet desperation, “the problem.” and the others knew, without words, that she was not talking about a problem with her husband, or her children, or her home. suddenly they realized they all shared the same problem, the problem that has no name. which best describes the connotation of the word “desperation”? negative, because the woman is feeling confused negative, because the woman is expressing hopelessness positive, because the woman is expressing herself positive, because the woman and the mothers are in agreement