Question 1

When initial subjects are selected randomly and additional subjects are obtained from recommendations of names from the initial subjects,this is a(n)____________________ sampling technique.

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Question 2

A combination of two or more probability sampling techniques is called a(n)____________________ sample.

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Question 3

Explain reasons for taking a sample rather than a complete census.

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Question 4

The difference between the results of a sample and the results of a census that is conducted with identical procedures is called ____________________ error.

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Question 5

List the stages in the selection of a sample.

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Question 6

A unit that is selected in the first of several stages of sampling is called the ____________________.

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Question 7

Compare and contrast random sampling and systematic (nonsampling)errors.

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Question 8

Writing the names of the students in a class on separate sheets of paper,shuffling them thoroughly,and then drawing five names "out of a hat," is a type of ____________________ sample.

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Question 9

____________________ sampling is a nonprobability sampling procedure that ensures that various subgroups of a population will be represented on pertinent characteristics to the exact extent that the investigator desires.

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Question 10

The sampling procedure of obtaining those people or units that are most conveniently available is called ____________________ sampling.

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Question 11

When a research study has been poorly designed,it suffers from ____________________ error.

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Question 12

Name and describe the types of probability sampling.

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Question 13

When an Internet user gives permission to Southwest Airlines to e-mail him special price promotions as they are announced,the user has decided to ____________________ for this type of database communication.

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Question 14

When subjects are selected for a research study using judgment sampling,this represents a type of ____________________ sampling procedure.

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Question 15

Name and describe the types of nonprobability sampling.

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Quiz 16: Sampling Designs and Sampling Procedures