Chapter 1-3 Data Collection and Sampling Techniques

Question 1

Random Samples

Answer 1

Selected by using chance methods or random numbers.

Question 2

Systematic Samples

Answer 2

Numbering each subject of the population and then selecting every kth subject

Question 3

Stratified Samples

Answer 3

Dividing the population into groups (called strata) according to some characteristics that is important to the study, then sampling from each group.

Question 4

Cluster Samples

Answer 4

The population is divided into groups called clusters by some means such as geographic area or schools in a large school district, etc.

Question 5

Convenience Sample

Answer 5

Researcher uses subjects that are convenient