The control group received visits, too.
He has also received visits from family, friends and colleagues.
They received visits from Mayor Michael R. Bloomberg and Police Commissioner Raymond W. Kelly.
Last year Argentina and Guinea received visits from normalising committees with the boards and presidents of both federations replaced.
Vietnam received visits by a number of Chinese officials, including Defense Minister Chi Haotian in February, Vice Pres.
In past U.S. censuses, survey forms arrived in people's mailboxes, and those who didn't mail them in received visits from enumerators carrying another set of paper forms.
The researchers compared the outcomes of more than 1,600 infants whose families received visits with almost 5,000 in homes that did not.
Some of the families have also received visits from the Bahraini authorities, according to Amin Elwassila, an Arab activist in Manchester who is supporting the group.
A couple of days later, Cohen says a member of the Food group told him that some of their number had received visits from the Kuwaiti intelligence services.
There he received visits from, among others, Bob Freidin and Giacinto Scoles, a gentle man who had been educated in Italy, and who taught physical chemistry at Princeton.
Civil rights advocates who have monitored the process estimated that at least several dozen people had received visits from agents at their homes and elsewhere in recent weeks.
