This exploratory study, a survey of 305 heads of household in Monterrey; Me
xico, investigated public opinion during a six-month period in 1982 which s
aw a changeover of presidential incumbents. During the transition, responde
nts were polled about their willingness to express their opinion about the
outgoing and incoming presidents. Overall, the results provided support for
the spiral of silence approach. Path analysis revealed that exposure and a
ttention to the mass media were associated with both knowledge holding and
perceptions of majority opinion. interpersonal discussion of politics was a
ssociated with knowledge. And knowledge also was related to one's own opini
on and perceived present: and future majority opinion. Present majority opi
nion was linked to willingness to enter a political discussion. And holding
positive or negative cognitions was related to expressing favorable or unf
avorable comments about each political figure. Recommendations for alternat
ive ways of assessing fear of isolation, expanded sampling frames, trading
power shifts, and assessing perceptions of power are discussed.