Exam 7: Qualitative and Quantitative Sampling

Define the following:cluster sampling

Define the following:sampling frame

Lucy Lively,a coffee aficionado,wanted to draw a sample of people in Ontario who own an authentic,imported Italian espresso coffee maker.There is no list of such people,and there is no reason to believe that they know each other.What type of sampling should Lucy use?

Define the following:sociogram

Define the following:sampling distribution of sample means

Define the following:purposive sampling

Adam Andrews of the Quit Today Institute wants to know how many students at the local university smoke cigarettes.Adam obtains a list of phone numbers for every student enrolled at the college from the Dean.He selects students from the 24 000 on the list by taking every fiftieth student,giving him a sample of 480 students. What sampling method is Adam Smith using?

Define the following:census

Define the following:stratified sampling

Using an example,how can you get a sampling interval from a sampling ratio? What type of sampling is the sampling interval used with?

Define the following:statistic

Define the following:quota sampling

Professor Mary Mancini studied class level and drinking behaviour at Rocky Mountain University in Red Deer,Alberta.At Rocky Mountain,every student is required to live in one of six 20-story dormitories,and every student has a single room.All dormitory room phone numbers begin with the prefix 747 or 757 (e.g.,phone numbers are 747-0001 to 757-9999).She used the student telephone directory and,after a random start,selected every fifteenth student.She then mailed a questionnaire to the 1000 students selected and had two follow-up postcard reminders.A total of 900 students returned questionnaires.Later,Professor Mancini asked the university registrar's office whether any students were omitted from the directory. What type of sampling did Professor Mancini use?

Define the following:random sample

Marcus McDonald is a qualitative researcher who studies people with agoraphobia.Rather than generating a purposive sample,Marcus decides to interview persons with agoraphobia until his interviews no longer yield new information.What point will Marcus have to reach before he can stop conducting interviews?

What is the basic difference between random and nonrandom sampling procedures?

A __________ is to a sample what a ___________ is to a population.

Sampling error is based on which of the following?

Define the following:simple random sampling

Define the following:sampling ratio