Sampling Procedure of Quantitative Research

What is the best sampling technique to use for determining the average speed of the cars on a

section of highway?

• simple random sample

• systematic sample

• convenience sample

• a) or b)

Which method is most likely to produce a random sample of the members of your class?

• listing the first six students that come to mind

• choosing the five oldest students in the class

• writing the name of each student on a separate piece of paper and then drawing

  these slips from a hat

• selecting the first six students to arrive at class

A large corporation wants to find out which benefits plan its employees would prefer. Which

procedure would be most likely to obtain a statistically unbiased sample?

• surveying a random sample of employees from a list of all employees

• inviting all employees to indicate their choices by e-mail

• placing suggestion boxes at random locations in the company’s plant and offices

• assembling a group with one member from each department and recording the

  preferences of these employees

A college president wants to find out which courses students consider to be of the most benefit to

them. Which procedure would be most likely to produce a statistically unbiased sample?

• having students complete a questionnaire on the college web site

• asking students to mail in a questionnaire

• surveying a random sample of students taken from the list of all students

• surveying the first hundred students on an alphabetical list

A pollster wants to find out if citizens are satisfied with the city council. Which procedure would be

most appropriate for obtaining a statistically unbiased sample?

• interviewing people at a popular local shopping centre

• surveying people whose names have been randomly chosen from the telephone

  book

• placing an advertisement in the local newspaper asking for mail-in responses

• mailing a questionnaire to people whose names have been chosen randomly from

  a list of customers of the municipal utility company

Sampling is about ______ a sample from a population.

• adding

• including

• predicting

• selecting

A sample frame is a useful tool to ______ a target population.

• approximate

• assess

• assimilate

• attach

What is TRUE about stratified sampling?

• Type of sampling method in which the total population is divided into smaller groups or strata

• The population is divided into various subgroups.

• It is part of sampling

• All of the above

Which of the following probability sampling is the basic and commonly used technique in descriptive research?

• stratified random sampling

• simple random sampling

• systematic random sampling

• cluster sampling

It refers the number of respondents/subjectsthat you are going to use in the study.

• sample

• population

• sample size

• sampling