Random samples.

Professor Ellen J. Helsper explains the concept of random sampling, highlighting why a representative sample is better than a large sample for research.

Bibliographic Details
Format: Video
Language:English
Language Notes:Closed-captions in English.
Published: London, United Kingdom : SAGE Publications Ltd., 2015.
Series:SAGE video shorts.
Subjects:
Online Access:Connect to this streaming video
Description
Summary:Professor Ellen J. Helsper explains the concept of random sampling, highlighting why a representative sample is better than a large sample for research.
Physical Description:1 online resource (1 video file (4 min., 33 sec.)) : sound, colour
ISBN:9781473941885
1473941881