CHAPTER NEWS
Fall Kickoff
Offers Wealth of Information
discussed their research from this year’s
Summer Biostatistics Internship Program.
Howard Hogan, Xiang Li worked on clinical trial design
associate director to study prevention of surgical site infec-
for demographic
tions. Surgical site infections are the third
programs at the
most common type of infection in hos-
U.s. Census Bureau,
pitals. Zhanpan Zhang worked on laser-
presents “Measuring
assisted liposuction. His project was to
Population Change
design a clinical trial that will objectively
Using the American
evaluate this new procedure.
Community survey”
at the chapter’s fall
The final presentation was by Hai
kickoff.
Nguyen and Mahtash Esfandiari from
UCLA. They discussed the work they
are doing to design automated essay-
grading software to enhance statistical
literacy among UCLA undergradu-
looked at monthly time series of births ates and how the software compares to
T
he Southern California Chapter’s
annual fall kickoff took place on
to determine when the actual start of the human graders of exam essay questions.
November 1 at the University of
baby boom was, which he determined Detailed information about the U.S.
California, Irvine. The invited lecturer
was around July 1946. Census Bureau, Decennial Census, and
was Howard Hogan, associate director
Next were presentations by ACS, as well as access to data, can be
for demographic programs at the U.S.
UC-Riverside graduate students, who found at
www.census.gov. n
Census Bureau. He is also an adjunct
professor for the program in survey
design and data analysis in the
Department of Statistics at George
Washington University. Hogan gave a
morning and afternoon talk before pass-
ing the mic to presenters from
UC-Riverside and UC-Los Angeles.
Hogan’s morning presentation was
“Measuring Population Change Using
the American Community Survey.”
He discussed the structure of the U.S.
Census Bureau, Decennial Census, and
American Community Survey (ACS).
He examined some of the logic and
methodology behind the bureau’s sur-
veys and population estimates, including
the concept of current residence, the way
race and ethnicity are categorized, how
data is collected (including follow-up on
nonresponses), and how all this is used to
measure population change.
The afternoon talk by Hogan was
titled “Who (Really) Are the First Baby
Boomers?” This was a discussion of a
paper he authored with Deborah Perez
and William Bell. The idea for the paper
was sparked by the many news stories
written when the “first person” born
in 1946 applied for social security. He
JANUARy 2009 AMsTAT NeWs 41
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