Chapter 7

Question 0

Confidence interval

Answer 0

An interval of values within which there is a given level of confidence (e.g., 95%) where the population value lies.

Question 1

Cluster Sampling

Answer 1

A probability sampling method in which existing groups or geographic areas, called clusters, are identified. Clusters are randomly sampled and then everyone in the selected clusters participates in the study.

Question 2

Haphazard Sampling

Answer 2

Selecting subjects in haphazard manner, usually on the basis of availability, and not with regard to having a representative sample of the population; a type of nonprobablilty sampling.

Question 3

Interviewer bias

Answer 3

Intentional or unintentional influence exerted by an interviewer in such a way that the actual or interpreted behavior of respondents is consistent with the interviewers expectations.

Question 4

Nonprobablilty sampling

Answer 4

Type of sampling procedure in which one cannot specify the probability that any member of the population will be included in the sample.

Question 5

Panel Study

Answer 5

Research in which the same sample of subjects is studied at two or more points in time, usually to assess changes that occur over time.

Question 6

Population

Answer 6

The defined group of individuals from which a sample is drawn.

Question 7

Probability Sampling

Answer 7

Type of sampling procedure in which one is able to specify the probability that any member of the population will be included in the sample.

Question 8

Purposive Sampling

Answer 8

A type of haphazard sample conducted to obtain predetermined types of individuals for the sample.

Question 9

quota sampling

Answer 9

A sampling procedure in which the sample is chosen to reflect the numerical composition of various subgroups in the population. A haphazard sampling technique is used to obtain the sample.

Question 10

Response Rate

Answer 10

The percentage of people selected for a sample who actually completed a survey.

Question 11

Response Set

Answer 11

A pattern of response to questions on a self-report measure that is not related to the content of the questions.

Question 12

Sampling

Answer 12

The process of choosing members of a population to be included in a sample.

Question 13

Sampling Frame

Answer 13

The individuals or clusters of individuals in a population who might acutally be selected for inclusion in the sample.

Question 14

Simple Random Sampling

Answer 14

A sampling procedure in which each member of the population has an equal probability of being included in the sample.

Question 15

Stratified random sampling

Answer 15

A probability sampling method in which a population is divided into subpopulation groups called strata; individuals are then randomly sampled from each of the strata.