Descriptor
Algorithms | 1 |
Business | 1 |
Computers | 1 |
Databases | 1 |
Intervals | 1 |
Programing | 1 |
Sample Size | 1 |
Sampling | 1 |
Source
Journal of Experimental… | 1 |
Author
Wirt, Edgar | 1 |
Publication Type
Journal Articles | 1 |
Opinion Papers | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating

Wirt, Edgar – Journal of Experimental Education, 1987
In negotiating to obtain a sample of records from a computer file, it is important to be able to present a simple program that will produce a representative and valid sample. This article describes two procedures: (1) an interval selection method; and (2) a random numbers file. (JAZ)
Descriptors: Algorithms, Business, Computers, Databases