Keyword:

Cognitive aspects of survey measurement and mismeasurement

Web-based data collection

Survey research and societal change

Experimental design considerations for testing and evaluating questionnaires

Survey questionnaire design

Dietary Folate and Depressive Symptoms Are Associated in Middle-Aged Finnish Men

Low maximal oxygen uptake is associated with elevated depressive symptoms in middle-aged men

Dietary folate and the risk of depression in Finnish middle-aged men. A prospective follow-up study.

Demographic, Economic and Social Transformation of Chicago: 1970 – 1990

Four Decades of Trends in Attitudes Toward Family Issues in the United States: The 1960s Through the 1990s.