Validity in survey research with special reference to the techniques of intensive interviewing and the progressive modification for testing and constructing difficult or sensitive measures for use in survey research
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Βιβλίο |
| Γλώσσα: | Αγγλικά |
| Έκδοση: |
England
Gower
c1986.
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| Θέματα: |