It is
measurable in terms of oxygen and carbon isotope ratios and was
compared to «environmental archive»
data from other parts of the earth.
In February of 2011, CUNY's Office of Institutional Research and Assessment, headed by University Dean David Crook, released critical
data (obtained by Director of Policy Analysis Colin Chellman using linear probability models and logistic regression) demonstrating that, all else being equal (i.e., taking into account all
measurable demographic and performance characteristics), CUNY's transfer students were at a disadvantage in terms of graduation
compared to native students.