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344 pages • missing pub info (editions)
ISBN/UID: 9780313254260
Format: Hardcover
Language: English
Publisher: Greenwood
Publication date: 09 November 1989
Description
Polls are at their best as indicators of public opinion when they allow comparisons over extended periods of time. Yet all too often changes in question working and in questionnare content make over-time comparisons impossible. This work overcomes...
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344 pages • missing pub info (editions)
ISBN/UID: 9780313254260
Format: Hardcover
Language: English
Publisher: Greenwood
Publication date: 09 November 1989
Description
Polls are at their best as indicators of public opinion when they allow comparisons over extended periods of time. Yet all too often changes in question working and in questionnare content make over-time comparisons impossible. This work overcomes...