-(see Figure \ref{fig:barnstar}) I provide an empirical test of an
-influential status-based theory of collective action from
-sociology. Although the study finds support for the widely
-hypothesized ``virtuous cycle'' of status rewards both causing and
-being caused by contributions, it also finds that this effect is
-limited to a sub-population of Wikipedia contributors -- ``signalers''
-who show off their awards \cite{hill_status_2012}. This result
-has broad implications for both status-based theories of collective
-action as well the design of reputation-based rewards.
-
-In a mixed methods study of Scratch, nominated for best paper at the
-CHI 2011 conference \cite{monroy-hernandez_computers_2011}, I
-present both a quantitative analysis of a design change and in-depth
-interviews of users to demonstrate how credit-giving is ineffective
-when it stems from an automated system because systems fail to
-reinforce status-ordering with credible human expressions of social
-deference and gratitude.
+(see Figure \ref{fig:barnstar}) -- a collaboration with Aaron Shaw and
+Yochai Benkler -- I provide an empirical test of an influential
+status-based theory of collective action from sociology. Although the
+study finds support for the widely hypothesized ``virtuous cycle'' of
+status rewards both causing and being caused by contributions, it also
+finds that this effect is limited to a sub-population of Wikipedia
+contributors -- ``signalers'' who show off their awards
+\cite{hill_status_2012}. This result has broad implications for both
+status-based theories of collective action as well the design of
+reputation-based rewards.
+
+In a mixed methods study of Scratch, written with a team at Microsoft
+Research and nominated for best paper at the CHI 2011 conference
+\cite{monroy-hernandez_computers_2011}, I present both a quantitative
+analysis of a design change and in-depth interviews of users to
+demonstrate how credit-giving is ineffective when it stems from an
+automated system because systems fail to reinforce status-ordering
+with credible human expressions of social deference and gratitude.