Kontinu-onderzoek ( wave 23, dec. 1980 )

Continuous items for most waves watching tv / reading papers / taking part in discussions on political issues / political knowledge / political participation / party preference...多数调查波次下的连续型变量条目，涵盖看电视、阅读文献、参与政治议题讨论、政治知识、政治参与及党派偏好等内容。