Chapter 6 Sampling

Question 1

Population

Answer 1

A group of individuals a researcher seeks to learn about from a research study

Question 2

Sample

Answer 2

A group of individuals chosen from the population to represent it in a research study

Question 3

Sampling error

Answer 3

The difference between the observation in a population and in the sample that represents that population in a study

Question 4

Probability sample

Answer 4

Sample chosen such. That the individuals are chosen with a specific probability

Question 5

Convenience/purposive sample

Answer 5

Sample chosen such that the probability of an individual being chosen cannot be determined

Question 6

Simple random sample

Answer 6

Sample chosen randomly from the population such that each individual has an equal chance of being selected

Question 7

Response rate

Answer 7

The percentage of people out of the total number available who respond to a survey.

Question 8

Cluster sample

Answer 8

Simple chosen randomly from clusters identified in the population

Question 9

Stratified Random sample

Answer 9

Simple chosen from the population such that the proportion of individuals with a particular characteristic is equivalent in the population in the sample

Question 10

Internal validity

Answer 10

The degree to which a study provides casual information about behavior

Question 11

External validity

Answer 11

The degree to which the results of a study apply to individuals and realistic behaviors outside the study

Question 12

Haphazard/volunteer sample

Answer 12

Sample chosen from the population such that available individuals are chosen

Question 13

Quota sample

Answer 13

Simple chosen from the population such available individuals were chosen with equivalent proportions of individuals for a specific characteristic in the population and sample

Question 14

Internet sample

Answer 14

Simple chosen from the population by recruiting on the Internet