Unobtrusive measures;nonreactive research in the social sciences.
Title:
Unobtrusive measures;nonreactive research in the social sciences.
Author:
Webb, Eugene J., 1933- author
Personal Author:
Physical Description:
xii, 225 pages; 22 cm.
Series:
Rand McNally sociology series.
General Note:
Second ed: Nonreactive measures in the social sciences.1981.
Bibliography:pages 187-215.
Subject Term: