Kontinu-onderzoek ( wave 18, dec. 1978 )

Continuous items for most waves watching tv / reading papers / taking part in discussions on political issues / political knowledge / political participation / party preference...多数调查波次所采用的连续型测度条目包括：看电视、阅读报刊文献、参与政治议题讨论、政治知识、政治参与及党派偏好等。