This study evaluated three types of bias--total, measurement, and selection bias (SB)--in three sequential mixed-mode designs of the Dutch Crime Victimization Survey: telephone, mail, and web, where nonrespondents were followed up face-to-face (F2F). In the absence of true scores, all biases were estimated as mode effects against two different…

Examined were the purposes and problems, as well as the present status and trends, of pre-school educational evaluation in seven European countries; Belgium, France, Germany (Federal Republic), Netherlands, Scandanavia, Switzerland, and the United Kingdom. These analysis required that national surveys be written which would first give brief…

It is argued that judgments in evaluative research are ultimately subjective, but that good criteria are available to assess their quality. One of these criteria is the robustness of the judgments against incompleteness or uncertainty in the data used to describe the educational system. The use of the robustness criterion is demonstrated through…

This report describes an experimental day care program in Amsterdam, begun in 1969 to investigate how a day care center could contribute towards the favorable development of children under four from unskilled and semiskilled families. Because it is only recently that day care for children under four has been used to any extent, this is the first…