Network analysts interested in social influence examine the social foundations for influence—the social relations that provide a basis for the alteration of an attitude or behavior by one network actor in response to another. This article contrasts two empirical accounts of social...

The problem of estimating interaction effects involving unmeasured block variables determined by observed indicator variables is discussed. It is shown that interaction effects involving block variables can be estimated using currently available software. In the case in which a block variable...

Data are presented on the entitlement status of nearly 30,000 homeless persons who have received care through the national Health Care for the Homeless program in 16 project cities. Overall, about half of all clients are enrolled in at least one benefit program; program participation is slightly...

This essay contrasts basic and applied social research, noting that the major partion of applied social research is pursued outside academic settings. Several reasons are given for this pattern, including the inability of university researchers to produce research on the scale and under the time...

S-Night in New Orleans was similar to that in other cities. Perhaps because New Orleans is the smallest and most geographically compact of the five cities, the S-Night enumeration was more complete in that more "decoys" were enumerated in New Orleans than in the other cities. Still, even here,...

Shelter and Street Night (S-Night) was the recent effort by the U.S. Bureau of the Census to include selected components of the nation's homeless population in the 1990 decennial count. Teams of investigators in five cities (New York, Chicago, Los Angeles, Phoenix, and New Orleans) were...

This article reviews the historical linkages between the evolution of the survey research method and applied social research, arguing that most or all of the elements of the modern survey were devoloped in response to immediate, practical (as opposed to academic or disciplinary) concerns. In...

This article evaluates a residential alcohol/drug treatment program for the homeless. The process evaluation documents numerous deviations from the program as designed and other implementation problems. Foremost among these: The project was designed as a randomized experiment, but randomization...