Examines issues associated with the design of and statistical inferences from embedded experiments which vary the questionnaire content into sample surveys of broad populations. Provides an example of context effects in attitude surveys, a summary, and conclusions. (RT)

A survey designed to evaluate the importance of some components of cultural transmission on a variety of traits showed that religion and politics are mostly determined in the family, a mode of transmission which guarantees high evolutionary stability and maintenance of high variation between and within groups. (Author/JN)